Remove extra printfs from uwrite

Missed some printfs in a test. This broke
the post processing of the test output.

BUG=chromium-os:37961
TEST=kernel_fs_Punybench --args=--disk

Change-Id: Ic4c6fedd787927cabe9a18b6965e5c9202975810
Reviewed-on: https://gerrit.chromium.org/gerrit/41464
Tested-by: Paul Taysom <taysom@chromium.org>
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Commit-Queue: Paul Taysom <taysom@chromium.org>
diff --git a/file.m/uwrite.c b/file.m/uwrite.c
index be64b2f..3231fbf 100644
--- a/file.m/uwrite.c
+++ b/file.m/uwrite.c
@@ -92,11 +92,9 @@
 	if (!size) {
 		size = memtotal() / FRACTION_OF_MEMORY;
 	}
-	printf("memfree %lld\n", memfree());
 	if (Hog_memory) {
 		hog_leave_memory(size / FRACTION_OF_FILE_SIZE);
 	}
-	printf("memfree %lld\n", memfree());
 	for (l = 0; l < Option.loops; l++) {
 		startTimer();
 		for (i = 0; i < n; i++) {
@@ -141,10 +139,7 @@
 
 		printf("\t%6.4g MiB/s\n",
 			(double)(n * size) / get_avg() / MEBI);
-
-		printf("memfree %lld\n", memfree());
 	}
 	unlink(Option.file);
-	printf("memfree %lld\n", memfree());
 	return 0;
 }