Revert "Rectify build error for IOS"

This reverts commit e0e54cbf784418570cbf17143d420e335c96ba19.

Reason for revert: Unproducable error in one of the tests.

Change-Id: Idec28783b5a1694a4d7c430d2173f4200766777f
diff --git a/test/comp_mask_variance_test.cc b/test/comp_mask_variance_test.cc
index 46e1e55..1e099b3 100644
--- a/test/comp_mask_variance_test.cc
+++ b/test/comp_mask_variance_test.cc
@@ -35,15 +35,12 @@
                                     int ref_stride, const uint8_t *mask,
                                     int mask_stride, int invert_mask);
 
-#if HAVE_SSSE3 || HAVE_SSE2 || HAVE_AVX2
 const BLOCK_SIZE kValidBlockSize[] = {
   BLOCK_8X8,   BLOCK_8X16,  BLOCK_8X32,   BLOCK_16X8,   BLOCK_16X16,
   BLOCK_16X32, BLOCK_32X8,  BLOCK_32X16,  BLOCK_32X32,  BLOCK_32X64,
   BLOCK_64X32, BLOCK_64X64, BLOCK_64X128, BLOCK_128X64, BLOCK_128X128,
   BLOCK_16X64, BLOCK_64X16
 };
-#endif
-
 typedef std::tuple<comp_mask_pred_func, BLOCK_SIZE> CompMaskPredParam;
 
 class AV1CompMaskVarianceTest