Drop support for CONFIG_EMULATE_HARDWARE

This experiment complexifies DSP function dispatch, without bringing
any real value (it's non-normative arbitrary behaviour).
Moreover, it only has an effect on obsolete transforms, the new ones
don't implement this mechanism.

Change-Id: Idaccdd0c14ed6b7008cd4f365c7f017ba8ccacf5
diff --git a/test/partial_idct_test.cc b/test/partial_idct_test.cc
index a509396..6c03487 100644
--- a/test/partial_idct_test.cc
+++ b/test/partial_idct_test.cc
@@ -190,7 +190,7 @@
                       make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c,
                                  &aom_idct4x4_1_add_c, TX_4X4, 1)));
 
-#if HAVE_NEON && !CONFIG_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
+#if HAVE_NEON && !CONFIG_HIGHBITDEPTH
 INSTANTIATE_TEST_CASE_P(
     NEON, PartialIDctTest,
     ::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
@@ -205,9 +205,9 @@
                                  &aom_idct8x8_1_add_neon, TX_8X8, 1),
                       make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c,
                                  &aom_idct4x4_1_add_neon, TX_4X4, 1)));
-#endif  // HAVE_NEON && !CONFIG_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
+#endif  // HAVE_NEON && !CONFIG_HIGHBITDEPTH
 
-#if HAVE_SSE2 && !CONFIG_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
+#if HAVE_SSE2 && !CONFIG_HIGHBITDEPTH
 INSTANTIATE_TEST_CASE_P(
     SSE2, PartialIDctTest,
     ::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
@@ -226,15 +226,14 @@
                                  &aom_idct4x4_1_add_sse2, TX_4X4, 1)));
 #endif
 
-#if HAVE_SSSE3 && ARCH_X86_64 && !CONFIG_HIGHBITDEPTH && \
-    !CONFIG_EMULATE_HARDWARE
+#if HAVE_SSSE3 && ARCH_X86_64 && !CONFIG_HIGHBITDEPTH
 INSTANTIATE_TEST_CASE_P(
     SSSE3_64, PartialIDctTest,
     ::testing::Values(make_tuple(&aom_fdct8x8_c, &aom_idct8x8_64_add_c,
                                  &aom_idct8x8_12_add_ssse3, TX_8X8, 12)));
 #endif
 
-#if HAVE_MSA && !CONFIG_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
+#if HAVE_MSA && !CONFIG_HIGHBITDEPTH
 INSTANTIATE_TEST_CASE_P(
     MSA, PartialIDctTest,
     ::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c,
@@ -251,6 +250,6 @@
                                  &aom_idct8x8_1_add_msa, TX_8X8, 1),
                       make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c,
                                  &aom_idct4x4_1_add_msa, TX_4X4, 1)));
-#endif  // HAVE_MSA && !CONFIG_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
+#endif  // HAVE_MSA && !CONFIG_HIGHBITDEPTH
 
 }  // namespace