Revert of added support for PLS path rendering

src/gpu/GrPLSGeometryProcessor.h

-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrPLSGeometryProcessor_DEFINED
-#define GrPLSGeometryProcessor_DEFINED
-
-#include "GrGeometryProcessor.h"
-
-/**
- * A minor extension to GrGeometryProcessor that adds bounds tracking for pixel local storage
- * purposes.
- */
-class GrPLSGeometryProcessor : public GrGeometryProcessor {
-public:
-    GrPixelLocalStorageState getPixelLocalStorageState() const override { 
-        return GrPixelLocalStorageState::kDraw_GrPixelLocalStorageState;
-    }
-
-    const SkRect& getBounds() const {
-        return fBounds;
-    }
-
-    void setBounds(SkRect& bounds) {
-        fBounds = bounds;
-    }
-
-private:
-    SkRect fBounds;
-};
-
-#endif