VP9_COMMON: remove unused temp_scale_frame

Change-Id: I696a0dca1d02d365e283029d1d077710bd5680e0

vp9/common/vp9_alloccommon.c

@@ -53,7 +53,6 @@ void vp9_free_frame_buffers(VP9_COMMON *oci) {
   for (i = 0; i < NUM_YV12_BUFFERS; i++)
     vp9_free_frame_buffer(&oci->yv12_fb[i]);
 
-  vp9_free_frame_buffer(&oci->temp_scale_frame);
   vp9_free_frame_buffer(&oci->post_proc_buffer);
 
   vpx_free(oci->mip);
@@ -121,10 +120,6 @@ int vp9_alloc_frame_buffers(VP9_COMMON *oci, int width, int height) {
     oci->fb_idx_ref_cnt[i] = 1;
   }
 
-  if (vp9_alloc_frame_buffer(&oci->temp_scale_frame, width, 16, ss_x, ss_y,
-                             VP9BORDERINPIXELS) < 0)
-    goto fail;
-
   if (vp9_alloc_frame_buffer(&oci->post_proc_buffer, width, height, ss_x, ss_y,
                              VP9BORDERINPIXELS) < 0)
     goto fail;

vp9/common/vp9_onyxc_int.h

@@ -130,10 +130,7 @@ typedef struct VP9Common {
   struct scale_factors active_ref_scale[ALLOWED_REFS_PER_FRAME];
   int new_fb_idx;
 
-
   YV12_BUFFER_CONFIG post_proc_buffer;
-  YV12_BUFFER_CONFIG temp_scale_frame;
-
 
   FRAME_TYPE last_frame_type;  /* Save last frame's frame type for motion search. */
   FRAME_TYPE frame_type;