Remove SK_SUPPORT_LEGACY_AAA_SMOOTH and rebaseline

TBR: fmalita@chromium.org
Bug: skia:7573
Change-Id: I7c7fb884003038a016db36bafe6031c89757d84a
Reviewed-on: https://chromium-review.googlesource.com/912909Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Yuqian Li <liyuqian@chromium.org>
Cr-Commit-Position: refs/heads/master@{#536019}

skia/config/SkUserConfig.h

@@ -203,10 +203,6 @@ SK_API void SkDebugf_FileLine(const char* file, int line, bool fatal,
 #define SK_SUPPORT_LEGACY_DELTA_AA
 #endif
 
-#ifndef SK_SUPPORT_LEGACY_AAA_SMOOTH
-#define SK_SUPPORT_LEGACY_AAA_SMOOTH
-#endif
-
 #ifndef SK_SUPPORT_LEGACY_TILED_BITMAPS
 #define SK_SUPPORT_LEGACY_TILED_BITMAPS
 #endif