Revert of Add vulkan files into skia repo.

src/gpu/vk/GrVkVaryingHandler.h

Index: src/gpu/vk/GrVkVaryingHandler.h
diff --git a/src/gpu/vk/GrVkVaryingHandler.h b/src/gpu/vk/GrVkVaryingHandler.h
deleted file mode 100644
index d47194149e5d05be21f02084f5c5b8d03a370bd6..0000000000000000000000000000000000000000
--- a/src/gpu/vk/GrVkVaryingHandler.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-* 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 GrVkVaryingHandler_DEFINED
-#define GrVkVaryingHandler_DEFINED
-
-#include "glsl/GrGLSLVarying.h"
-
-class GrVkVaryingHandler : public GrGLSLVaryingHandler {
-public:
-    GrVkVaryingHandler(GrGLSLProgramBuilder* program) : INHERITED(program) {}
-
-    typedef GrGLSLVaryingHandler::VarArray VarArray;
-
-private:
-    void onFinalize() override;
-
-    friend class GrVkProgramBuilder;
-
-    typedef GrGLSLVaryingHandler INHERITED;
-};
-
-#endif