Merge "Remove redundant header file declaration"

vp9/common/vp9_idct.c

@@ -8,14 +8,11 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include <assert.h>
 #include <math.h>
 
-#include "./vpx_config.h"
 #include "./vp9_rtcd.h"
 #include "vp9/common/vp9_systemdependent.h"
 #include "vp9/common/vp9_blockd.h"
-#include "vp9/common/vp9_common.h"
 #include "vp9/common/vp9_idct.h"
 
 #if CONFIG_EMULATE_HARDWARE_HIGHBITDEPTH