Remove gpu support for willUseHWAALines.

src/gpu/GrDrawTarget.h

Index: src/gpu/GrDrawTarget.h
diff --git a/src/gpu/GrDrawTarget.h b/src/gpu/GrDrawTarget.h
index c868e56aa79a733553875a84e5475cc0309acca0..0c03e34041c1d2f654e4b6a2b37c9e35fbb48b8a 100644
--- a/src/gpu/GrDrawTarget.h
+++ b/src/gpu/GrDrawTarget.h
@@ -113,12 +113,6 @@ public:
     }
 
     /**
-     * Given the current draw state and hw support, will HW AA lines be used (if
-     * a line primitive type is drawn)?
-     */
-    bool willUseHWAALines() const;
-
-    /**
      * There are three types of "sources" of geometry (vertices and indices) for
      * draw calls made on the target. When performing an indexed draw, the
      * indices and vertices can use different source types. Once a source is