remove aom_pixel_scale

calls to this function were deleted in:
d2e93b2774 RT: refactor av1_block_yrd function

Bug: aomedia:3416
Change-Id: I4247c28dcef0be850ed0e34d0194d1b05a436b8d

aom_dsp/aom_dsp_rtcd_defs.pl

diff --git a/aom_dsp/aom_dsp_rtcd_defs.pl b/aom_dsp/aom_dsp_rtcd_defs.pl
index c8bf778..dae52e6 100755
--- a/aom_dsp/aom_dsp_rtcd_defs.pl
+++ b/aom_dsp/aom_dsp_rtcd_defs.pl
@@ -1262,9 +1262,6 @@
   add_proto qw/void aom_hadamard_lp_8x8_dual/, "const int16_t *src_diff, ptrdiff_t src_stride, int16_t *coeff";
   specialize qw/aom_hadamard_lp_8x8_dual sse2 avx2 neon/;
 
-  add_proto qw/void aom_pixel_scale/, "const int16_t *src_diff, ptrdiff_t src_stride, int16_t *coeff, int log_scale, int h8, int w8";
-  specialize qw/aom_pixel_scale sse2/;
-
   if (aom_config("CONFIG_AV1_HIGHBITDEPTH") eq "yes") {
     add_proto qw/void aom_highbd_hadamard_8x8/, "const int16_t *src_diff, ptrdiff_t src_stride, tran_low_t *coeff";
     specialize qw/aom_highbd_hadamard_8x8 avx2/;

aom_dsp/avg.c

diff --git a/aom_dsp/avg.c b/aom_dsp/avg.c
index ceb1026..7043050 100644
--- a/aom_dsp/avg.c
+++ b/aom_dsp/avg.c
@@ -99,14 +99,6 @@
 }
 #endif  // CONFIG_AV1_HIGHBITDEPTH
 
-void aom_pixel_scale_c(const int16_t *src_diff, ptrdiff_t src_stride,
-                       int16_t *coeff, int log_scale, int h8, int w8) {
-  for (int idy = 0; idy < h8 * 8; ++idy)
-    for (int idx = 0; idx < w8 * 8; ++idx)
-      coeff[idy * (h8 * 8) + idx] = src_diff[idy * src_stride + idx]
-                                    << log_scale;
-}
-
 static void hadamard_col4(const int16_t *src_diff, ptrdiff_t src_stride,
                           int16_t *coeff) {
   int16_t b0 = (src_diff[0 * src_stride] + src_diff[1 * src_stride]) >> 1;

aom_dsp/x86/avg_intrin_sse2.c

diff --git a/aom_dsp/x86/avg_intrin_sse2.c b/aom_dsp/x86/avg_intrin_sse2.c
index 71e7028..2d94f0e 100644
--- a/aom_dsp/x86/avg_intrin_sse2.c
+++ b/aom_dsp/x86/avg_intrin_sse2.c
@@ -344,56 +344,6 @@
   hadamard_8x8_sse2(src_diff, src_stride, coeff, 1);
 }
 
-void aom_pixel_scale_sse2(const int16_t *src_diff, ptrdiff_t src_stride,
-                          int16_t *coeff, int log_scale, int h8, int w8) {
-  __m128i src[8];
-  const int16_t *org_src_diff = src_diff;
-  int16_t *org_coeff = coeff;
-  int coeff_stride = w8 << 3;
-  for (int idy = 0; idy < h8; ++idy) {
-    for (int idx = 0; idx < w8; ++idx) {
-      src_diff = org_src_diff + (idx << 3);
-      coeff = org_coeff + (idx << 3);
-
-      src[0] = _mm_load_si128((const __m128i *)src_diff);
-      src[1] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
-      src[2] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
-      src[3] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
-      src[4] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
-      src[5] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
-      src[6] = _mm_load_si128((const __m128i *)(src_diff += src_stride));
-      src[7] = _mm_load_si128((const __m128i *)(src_diff + src_stride));
-
-      src[0] = _mm_slli_epi16(src[0], log_scale);
-      src[1] = _mm_slli_epi16(src[1], log_scale);
-      src[2] = _mm_slli_epi16(src[2], log_scale);
-      src[3] = _mm_slli_epi16(src[3], log_scale);
-      src[4] = _mm_slli_epi16(src[4], log_scale);
-      src[5] = _mm_slli_epi16(src[5], log_scale);
-      src[6] = _mm_slli_epi16(src[6], log_scale);
-      src[7] = _mm_slli_epi16(src[7], log_scale);
-
-      _mm_store_si128((__m128i *)coeff, src[0]);
-      coeff += coeff_stride;
-      _mm_store_si128((__m128i *)coeff, src[1]);
-      coeff += coeff_stride;
-      _mm_store_si128((__m128i *)coeff, src[2]);
-      coeff += coeff_stride;
-      _mm_store_si128((__m128i *)coeff, src[3]);
-      coeff += coeff_stride;
-      _mm_store_si128((__m128i *)coeff, src[4]);
-      coeff += coeff_stride;
-      _mm_store_si128((__m128i *)coeff, src[5]);
-      coeff += coeff_stride;
-      _mm_store_si128((__m128i *)coeff, src[6]);
-      coeff += coeff_stride;
-      _mm_store_si128((__m128i *)coeff, src[7]);
-    }
-    org_src_diff += (src_stride << 3);
-    org_coeff += (coeff_stride << 3);
-  }
-}
-
 static INLINE void hadamard_lp_8x8_sse2(const int16_t *src_diff,
                                         ptrdiff_t src_stride, int16_t *coeff) {
   __m128i src[8];