Remove unnecessary #if-#endif for ext-inter

Change-Id: Iab1217c7eb006c72e86e4261576b775b7debafd3

av1/common/reconinter.c

@@ -254,7 +254,6 @@ const uint8_t *av1_get_soft_mask(int wedge_index, int wedge_sign,
 // get a mask according to the compound type
 // TODO(sarahparker) this needs to be extended for other experiments and
 // is currently only intended for ext_inter alone
-#if CONFIG_EXT_INTER
 const uint8_t *av1_get_compound_type_mask(INTERINTER_COMPOUND_DATA *comp_data,
                                           BLOCK_SIZE sb_type, int invert) {
   assert(is_masked_compound_type(comp_data->type));
@@ -293,7 +292,6 @@ void build_compound_seg_mask(INTERINTER_COMPOUND_DATA *comp_data,
     }
 }
 #endif  // CONFIG_COMPOUND_SEGMENT
-#endif  // CONFIG_EXT_INTER
 
 static void init_wedge_master_masks() {
   int i, j, s;