Removed unused structs in vp9_onyx_int.h.

Change-Id: I1f2dbf04a0140a7cc2060b0a9efb4ed8e5270d3d

vp9/encoder/vp9_onyx_int.h

@@ -273,26 +273,6 @@ typedef struct {
   int static_segmentation;
 } SPEED_FEATURES;
 
-typedef struct {
-  MACROBLOCK  mb;
-  int totalrate;
-} MB_ROW_COMP;
-
-typedef struct {
-  TOKENEXTRA *start;
-  TOKENEXTRA *stop;
-} TOKENLIST;
-
-typedef struct {
-  int ithread;
-  void *ptr1;
-  void *ptr2;
-} ENCODETHREAD_DATA;
-typedef struct {
-  int ithread;
-  void *ptr1;
-} LPFTHREAD_DATA;
-
 enum BlockSize {
   BLOCK_16X8 = PARTITIONING_16X8,
   BLOCK_8X16 = PARTITIONING_8X16,