mapped_access_perf_test: remove unused libyuv include

It's a remnant from development drafts that shouldn't be there.

BUG=b:179738634
TEST=builds

Change-Id: I3ba3bd8dd28f934a8d4380fa9a28c3d2a670113f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/drm-tests/+/2805773
Tested-by: Miguel Casas <mcasas@chromium.org>
Reviewed-by: Steve Cho <stevecho@chromium.org>
Commit-Queue: Miguel Casas <mcasas@chromium.org>
diff --git a/mapped_access_perf_test.c b/mapped_access_perf_test.c
index 255f547..8bb275d 100644
--- a/mapped_access_perf_test.c
+++ b/mapped_access_perf_test.c
@@ -17,7 +17,6 @@
 
 #include <assert.h>
 #include <getopt.h>
-#include <libyuv.h>
 #include <linux/dma-buf.h>
 #include <sys/ioctl.h>
 #include <time.h>