Remove commented out code

TEST=None
BUG=libyuv:672
Change-Id: Ia5949fb20913e4397e62d6a302c89a27dbd7e169

Change-Id: Ia5949fb20913e4397e62d6a302c89a27dbd7e169
Reviewed-on: https://chromium-review.googlesource.com/430321Reviewed-by: Aaron Gable <agable@chromium.org>

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1639
+Version: 1640
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1639
+#define LIBYUV_VERSION 1640
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_

source/row_gcc.cc

@@ -5459,7 +5459,7 @@ void HalfFloatRow_AVX2(const uint16* src, uint16* dst, float scale, int width) {
 }
 #endif  // HAS_HALFFLOATROW_AVX2
 
-//#ifdef HAS_HALFFLOATROW_F16C
+#ifdef HAS_HALFFLOATROW_F16C
 void HalfFloatRow_F16C(const uint16* src, uint16* dst, float scale, int width) {
   asm volatile (
    "vbroadcastss  %3, %%ymm4                  \n"
@@ -5491,7 +5491,7 @@ void HalfFloatRow_F16C(const uint16* src, uint16* dst, float scale, int width) {
     "xmm2", "xmm3", "xmm4"
   );
 }
-//#endif  // HAS_HALFFLOATROW_F16C
+#endif  // HAS_HALFFLOATROW_F16C
 
 #ifdef HAS_HALFFLOATROW_F16C
 void HalfFloat1Row_F16C(const uint16* src, uint16* dst, float, int width) {