Remove unused code in clReadWriteImage (#1043)

These declarations either aren't used or aren't needed, as testBase.h
already declares them.

Signed-off-by: Radek Szymanski <radek.szymanski@arm.com>
diff --git a/test_conformance/images/clReadWriteImage/main.cpp b/test_conformance/images/clReadWriteImage/main.cpp
index d8d096e..5fd5367 100644
--- a/test_conformance/images/clReadWriteImage/main.cpp
+++ b/test_conformance/images/clReadWriteImage/main.cpp
@@ -13,30 +13,20 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-#include "../harness/compat.h"
 
 #include <stdio.h>
 #include <string.h>
-
-#if !defined(_WIN32)
-#include <unistd.h>
-#include <sys/time.h>
-#endif
-
 #include "../testBase.h"
+#include "../harness/compat.h"
 
 bool gDebugTrace;
 bool gTestSmallImages;
 bool gTestMaxImages;
-bool gUseRamp;
 bool gTestMipmaps;
-int  gTypesToTest;
 cl_channel_type gChannelTypeToUse = (cl_channel_type)-1;
 cl_channel_order gChannelOrderToUse = (cl_channel_order)-1;
 bool            gEnablePitch = false;
 
-#define MAX_ALLOWED_STD_DEVIATION_IN_MB        8.0
-
 static void printUsage( const char *execName );
 
 extern int test_image_set( cl_device_id device, cl_context context, cl_command_queue queue, cl_mem_object_type image_type );
@@ -99,8 +89,6 @@
             gTestMaxImages = true;
         else if( strcmp( argv[i], "use_pitches" ) == 0 )
             gEnablePitch = true;
-        else if( strcmp( argv[i], "use_ramps" ) == 0 )
-            gUseRamp = true;
         else if( strcmp( argv[i], "test_mipmaps") == 0 ) {
             gTestMipmaps = true;
             // Don't test pitches with mipmaps right now.
@@ -142,7 +130,6 @@
     log_info( "\tsmall_images - Runs every format through a loop of widths 1-13 and heights 1-9, instead of random sizes\n" );
     log_info( "\tmax_images - Runs every format through a set of size combinations with the max values, max values - 1, and max values / 128\n" );
     log_info( "\tuse_pitches - Enables row and slice pitches\n" );
-    log_info( "\tuse_ramp - Instead of random data, uses images filled with ramps (and 0xff on any padding pixels) to ease debugging\n" );
     log_info( "\ttest_mipmaps - Test mipmapped images\n" );
     log_info( "\trandomize - Uses random seed\n" );
     log_info( "\n" );
diff --git a/test_conformance/images/clReadWriteImage/test_loops.cpp b/test_conformance/images/clReadWriteImage/test_loops.cpp
index e8ca8c8..f0690e1 100644
--- a/test_conformance/images/clReadWriteImage/test_loops.cpp
+++ b/test_conformance/images/clReadWriteImage/test_loops.cpp
@@ -16,16 +16,6 @@
 #include "../testBase.h"
 #include "../common.h"
 
-extern cl_filter_mode     gFilterModeToUse;
-extern cl_addressing_mode gAddressModeToUse;
-extern int                gTypesToTest;
-extern int                gNormalizedModeToUse;
-extern cl_channel_type      gChannelTypeToUse;
-
-
-extern bool gDebugTrace;
-extern bool gTestMipmaps;
-
 extern int test_read_image_set_1D( cl_device_id device, cl_context context, cl_command_queue queue, cl_image_format *format );
 extern int test_read_image_set_2D( cl_device_id device, cl_context context, cl_command_queue queue, cl_image_format *format );
 extern int test_read_image_set_3D( cl_device_id device, cl_context context, cl_command_queue queue, cl_image_format *format );
diff --git a/test_conformance/images/clReadWriteImage/test_read_1D.cpp b/test_conformance/images/clReadWriteImage/test_read_1D.cpp
index 7d9eb84..8f996e8 100644
--- a/test_conformance/images/clReadWriteImage/test_read_1D.cpp
+++ b/test_conformance/images/clReadWriteImage/test_read_1D.cpp
@@ -15,15 +15,6 @@
 //
 #include "../testBase.h"
 
-#define MAX_ERR 0.005f
-#define MAX_HALF_LINEAR_ERR 0.3f
-
-extern bool            gDebugTrace, gDisableOffsets, gTestSmallImages, gEnablePitch, gTestMaxImages, gTestMipmaps;
-extern cl_filter_mode    gFilterModeToUse;
-extern cl_addressing_mode    gAddressModeToUse;
-extern uint64_t gRoundingStartValue;
-
-
 int test_read_image_1D( cl_context context, cl_command_queue queue, image_descriptor *imageInfo, MTdata d )
 {
     int error;
diff --git a/test_conformance/images/clReadWriteImage/test_read_1D_array.cpp b/test_conformance/images/clReadWriteImage/test_read_1D_array.cpp
index 3f84556..ad0444d 100644
--- a/test_conformance/images/clReadWriteImage/test_read_1D_array.cpp
+++ b/test_conformance/images/clReadWriteImage/test_read_1D_array.cpp
@@ -15,15 +15,6 @@
 //
 #include "../testBase.h"
 
-#define MAX_ERR 0.005f
-#define MAX_HALF_LINEAR_ERR 0.3f
-
-extern bool            gDebugTrace, gDisableOffsets, gTestSmallImages, gEnablePitch, gTestMaxImages, gTestMipmaps;
-extern cl_filter_mode    gFilterModeToUse;
-extern cl_addressing_mode    gAddressModeToUse;
-extern uint64_t gRoundingStartValue;
-
-
 int test_read_image_1D_array( cl_context context, cl_command_queue queue, image_descriptor *imageInfo, MTdata d )
 {
     int error;
diff --git a/test_conformance/images/clReadWriteImage/test_read_2D.cpp b/test_conformance/images/clReadWriteImage/test_read_2D.cpp
index 0eae51b..7c20503 100644
--- a/test_conformance/images/clReadWriteImage/test_read_2D.cpp
+++ b/test_conformance/images/clReadWriteImage/test_read_2D.cpp
@@ -15,15 +15,6 @@
 //
 #include "../testBase.h"
 
-#define MAX_ERR 0.005f
-#define MAX_HALF_LINEAR_ERR 0.3f
-
-extern bool            gDebugTrace, gDisableOffsets, gTestSmallImages, gEnablePitch, gTestMaxImages, gTestMipmaps;
-extern cl_filter_mode    gFilterModeToUse;
-extern cl_addressing_mode    gAddressModeToUse;
-extern uint64_t gRoundingStartValue;
-
-
 int test_read_image_2D( cl_context context, cl_command_queue queue, image_descriptor *imageInfo, MTdata d )
 {
     int error;
diff --git a/test_conformance/images/clReadWriteImage/test_read_2D_array.cpp b/test_conformance/images/clReadWriteImage/test_read_2D_array.cpp
index 547e5eb..6118e69 100644
--- a/test_conformance/images/clReadWriteImage/test_read_2D_array.cpp
+++ b/test_conformance/images/clReadWriteImage/test_read_2D_array.cpp
@@ -15,13 +15,6 @@
 //
 #include "../testBase.h"
 
-#define MAX_ERR 0.005f
-#define MAX_HALF_LINEAR_ERR 0.3f
-
-extern bool            gDebugTrace, gDisableOffsets, gTestSmallImages, gEnablePitch, gTestMaxImages, gTestMipmaps;
-extern cl_filter_mode    gFilterModeToUse;
-extern cl_addressing_mode    gAddressModeToUse;
-
 int test_read_image_2D_array( cl_context context, cl_command_queue queue, image_descriptor *imageInfo, MTdata d )
 {
     int error;
diff --git a/test_conformance/images/clReadWriteImage/test_read_3D.cpp b/test_conformance/images/clReadWriteImage/test_read_3D.cpp
index 16baeeb..8f21ae9 100644
--- a/test_conformance/images/clReadWriteImage/test_read_3D.cpp
+++ b/test_conformance/images/clReadWriteImage/test_read_3D.cpp
@@ -15,13 +15,6 @@
 //
 #include "../testBase.h"
 
-#define MAX_ERR 0.005f
-#define MAX_HALF_LINEAR_ERR 0.3f
-
-extern bool            gDebugTrace, gDisableOffsets, gTestSmallImages, gEnablePitch, gTestMaxImages, gTestMipmaps;
-extern cl_filter_mode    gFilterModeToUse;
-extern cl_addressing_mode    gAddressModeToUse;
-
 int test_read_image_3D( cl_context context, cl_command_queue queue, image_descriptor *imageInfo, MTdata d )
 {
     int error;