Remove walk round code from libmix

BZ: 189353

Remove walk round code from libmix layer.
This kind of issue can be fixed in driver layer.

Change-Id: I49616278c3cbfe258d34e8e1d2fd99e3870f8d61
Signed-off-by: bolunliu <bolun.liu@intel.com>
diff --git a/videoencoder/VideoEncoderUtils.cpp b/videoencoder/VideoEncoderUtils.cpp
index 53aafbd..e2f76d5 100644
--- a/videoencoder/VideoEncoderUtils.cpp
+++ b/videoencoder/VideoEncoderUtils.cpp
@@ -321,10 +321,6 @@
             mAction |= MAP_ACTION_COPY;
         }
 
-        if(mAction & MAP_ACTION_ALIGN64 && width <= 320 && height <= 240) {
-            mAction |= MAP_ACTION_COPY;
-        }
-
         if (mAction & MAP_ACTION_COPY) { //must allocate new vasurface(EXternalMemoryNULL, uncached)
             //allocate new vasurface
             mVASurface = CreateNewVASurface(mVADisplay, stride, height);