Revert of added support for PLS path rendering

gyp/gpu.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Include this gypi to include all 'gpu' files
 # The parent gyp/gypi file must define
 #       'skia_src_path'     e.g. skia/trunk/src
 #       'skia_include_path' e.g. skia/trunk/include
 #
 # The skia build defines these in common_variables.gypi
@@ skipping 214 matching lines @@
       '<(skia_src_path)/gpu/batches/GrDrawPathBatch.cpp',
       '<(skia_src_path)/gpu/batches/GrDrawPathBatch.h',
       '<(skia_src_path)/gpu/batches/GrDrawVerticesBatch.cpp',
       '<(skia_src_path)/gpu/batches/GrDrawVerticesBatch.h',
       '<(skia_src_path)/gpu/batches/GrNonAAFillRectBatch.h',
       '<(skia_src_path)/gpu/batches/GrNonAAFillRectBatch.cpp',
       '<(skia_src_path)/gpu/batches/GrNonAAStrokeRectBatch.cpp',
       '<(skia_src_path)/gpu/batches/GrNonAAStrokeRectBatch.h',
       '<(skia_src_path)/gpu/batches/GrNinePatch.cpp',
       '<(skia_src_path)/gpu/batches/GrNinePatch.h',
-      '<(skia_src_path)/gpu/batches/GrPLSPathRenderer.cpp',
-      '<(skia_src_path)/gpu/batches/GrPLSPathRenderer.h',
       '<(skia_src_path)/gpu/batches/GrRectBatchFactory.h',
       '<(skia_src_path)/gpu/batches/GrRectBatchFactory.cpp',
       '<(skia_src_path)/gpu/batches/GrStencilAndCoverPathRenderer.cpp',
       '<(skia_src_path)/gpu/batches/GrStencilAndCoverPathRenderer.h',
       '<(skia_src_path)/gpu/batches/GrStencilPathBatch.h',
       '<(skia_src_path)/gpu/batches/GrTessellatingPathRenderer.cpp',
       '<(skia_src_path)/gpu/batches/GrTessellatingPathRenderer.h',
       '<(skia_src_path)/gpu/batches/GrTInstanceBatch.h',
       '<(skia_src_path)/gpu/batches/GrVertexBatch.cpp',
       '<(skia_src_path)/gpu/batches/GrVertexBatch.h',
@@ skipping 242 matching lines @@
       '<(skia_src_path)/gpu/gl/debug/SkDebugGLContext.cpp',
       '<(skia_src_path)/gpu/gl/debug/SkDebugGLContext.h',
     ],
     'skgpu_null_gl_sources': [
       '<(skia_src_path)/gpu/gl/GrGLCreateNullInterface.cpp',
       '<(skia_src_path)/gpu/gl/SkNullGLContext.cpp',
       '<(skia_include_path)/gpu/gl/SkNullGLContext.h',
     ],
   },
 }