touch_noise_filter: remove unused function

BUG=chromium:230889
TEST=USE=chrome_internal CFLAGS="-clang -print-cmdline" emerge-x86-alex
     touch_noise_filter passes.

Change-Id: I2420d5456c30f4f6c12ee9a667941095756d1eb0
Reviewed-on: https://gerrit.chromium.org/gerrit/48017
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Commit-Queue: Yunlian Jiang <yunlian@chromium.org>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
diff --git a/input_event_filter.cc b/input_event_filter.cc
index 4781a6f..9776b5b 100644
--- a/input_event_filter.cc
+++ b/input_event_filter.cc
@@ -36,62 +36,6 @@
   return static_cast<double>(tv.tv_sec) + static_cast<double>(tv.tv_usec) /
     1000000.0;
 }
-
-void LogInputEvent(const struct input_event* ev) {
-  const char* type_str = "(unknown)";
-  const char* code_str = "(unknown)";
-
-  SETSTR(EV_KEY, BTN_TOUCH);
-
-  SETSTR(EV_ABS, ABS_X);
-  SETSTR(EV_ABS, ABS_Y);
-  SETSTR(EV_ABS, ABS_Z);
-  SETSTR(EV_ABS, ABS_RX);
-  SETSTR(EV_ABS, ABS_RY);
-  SETSTR(EV_ABS, ABS_RZ);
-  SETSTR(EV_ABS, ABS_THROTTLE);
-  SETSTR(EV_ABS, ABS_RUDDER);
-  SETSTR(EV_ABS, ABS_WHEEL);
-  SETSTR(EV_ABS, ABS_GAS);
-  SETSTR(EV_ABS, ABS_BRAKE);
-  SETSTR(EV_ABS, ABS_HAT0X);
-  SETSTR(EV_ABS, ABS_HAT0Y);
-  SETSTR(EV_ABS, ABS_HAT1X);
-  SETSTR(EV_ABS, ABS_HAT1Y);
-  SETSTR(EV_ABS, ABS_HAT2X);
-  SETSTR(EV_ABS, ABS_HAT2Y);
-  SETSTR(EV_ABS, ABS_HAT3X);
-  SETSTR(EV_ABS, ABS_HAT3Y);
-  SETSTR(EV_ABS, ABS_PRESSURE);
-  SETSTR(EV_ABS, ABS_DISTANCE);
-  SETSTR(EV_ABS, ABS_TILT_X);
-  SETSTR(EV_ABS, ABS_TILT_Y);
-  SETSTR(EV_ABS, ABS_TOOL_WIDTH);
-
-  SETSTR(EV_ABS, ABS_MT_SLOT);
-  SETSTR(EV_ABS, ABS_MT_TOUCH_MAJOR);
-  SETSTR(EV_ABS, ABS_MT_TOUCH_MINOR);
-  SETSTR(EV_ABS, ABS_MT_WIDTH_MAJOR);
-  SETSTR(EV_ABS, ABS_MT_WIDTH_MINOR);
-  SETSTR(EV_ABS, ABS_MT_ORIENTATION);
-  SETSTR(EV_ABS, ABS_MT_POSITION_X);
-  SETSTR(EV_ABS, ABS_MT_POSITION_Y);
-  SETSTR(EV_ABS, ABS_MT_TOOL_TYPE);
-  SETSTR(EV_ABS, ABS_MT_BLOB_ID);
-  SETSTR(EV_ABS, ABS_MT_TRACKING_ID);
-  SETSTR(EV_ABS, ABS_MT_PRESSURE);
-  SETSTR(EV_ABS, ABS_MT_DISTANCE);
-
-  if (ev->type == 0 && ev->code == 0) {
-    TouchNoiseFilterLog(TOUCH_NOISE_LOG_INFO,
-        "INPUT: %f ---------- SYN_REPORT ----------\n",
-        TimevalToDouble(ev->time));
-  } else {
-    TouchNoiseFilterLog(TOUCH_NOISE_LOG_ERROR, "INPUT: %f %s %s %d\n",
-        TimevalToDouble(ev->time), type_str, code_str, ev->value);
-  }
-}
-
 #undef SETSTR
 }  // namespace {}