Remove SK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS

This enables a fast-path in Skia's AAConvexPathRenderer for paths that
only have lines (no higher order curves).

Change-Id: I0222d572f7679a270f6634bfc326a145dd6a7bed
Reviewed-on: https://chromium-review.googlesource.com/c/1334230Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Brian Osman <brianosman@google.com>
Cr-Commit-Position: refs/heads/master@{#608001}

skia/config/SkUserConfig.h

@@ -151,10 +151,6 @@ SK_API void SkDebugf_FileLine(const char* file, int line, bool fatal,
 #define SK_DISABLE_EXPLICIT_GPU_RESOURCE_ALLOCATION
 #endif
 
-#ifndef SK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS
-#define SK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS
-#endif
-
 // Max. verb count for paths rendered by the edge-AA tessellating path renderer.
 #define GR_AA_TESSELLATOR_MAX_VERB_COUNT 100