remove SK_SUPPORT_LEGACY_DEVICE_CONFIG code

include/core/SkDevice.h

Index: include/core/SkDevice.h
diff --git a/include/core/SkDevice.h b/include/core/SkDevice.h
index e58a491563a7511cda871a01fb2e80fc229c870c..25ad4993869f5eb833c8fdc9db081e7b97b342b3 100644
--- a/include/core/SkDevice.h
+++ b/include/core/SkDevice.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2010 The Android Open Source Project
  *
@@ -6,7 +5,6 @@
  * found in the LICENSE file.
  */
 
-
 #ifndef SkDevice_DEFINED
 #define SkDevice_DEFINED
 
@@ -76,18 +74,11 @@ public:
         bounds->setXYWH(origin.x(), origin.y(), this->width(), this->height());
     }
 
-
     /** Returns true if the device's bitmap's config treats every pixel as
         implicitly opaque.
     */
     virtual bool isOpaque() const = 0;
 
-#ifdef SK_SUPPORT_LEGACY_DEVICE_CONFIG
-    /** Return the bitmap config of the device's pixels
-     */
-    virtual SkBitmap::Config config() const = 0;
-#endif
-
     /** Return the bitmap associated with this device. Call this each time you need
         to access the bitmap, as it notifies the subclass to perform any flushing
         etc. before you examine the pixels.