Merge "Removing unused int_mv32 union."

vp9/common/vp9_mv.h

@@ -28,9 +28,4 @@ typedef struct {
   int32_t col;
 } MV32;
 
-typedef union int_mv32 {
-  uint64_t as_int;
-  MV32 as_mv;
-} int_mv32; /* facilitates faster equality tests and copies */
-
 #endif  // VP9_COMMON_VP9_MV_H_