Removing unused switchable_interp_count[] field from VP9_COMP.

Change-Id: I8eda5762728d981ab7757388741b598c665c26ca

vp9/encoder/vp9_onyx_int.h

@@ -740,9 +740,6 @@ typedef struct VP9_COMP {
 
   int dummy_packing;    /* flag to indicate if packing is dummy */
 
-  unsigned int switchable_interp_count[SWITCHABLE_FILTER_CONTEXTS]
-                                      [SWITCHABLE_FILTERS];
-
   unsigned int tx_stepdown_count[TX_SIZES];
 
   int initial_width;