Remove unnecessary includes in src/pdf/

src/pdf/SkDeflate.h

 /*
  * Copyright 2010 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkFlate_DEFINED
 #define SkFlate_DEFINED
 
-#include "SkTypes.h"
-
 #include "SkStream.h"
 
 /**
   * Wrap a stream in this class to compress the information written to
   * this stream using the Deflate algorithm.
   *
   * See http://en.wikipedia.org/wiki/DEFLATE
   */
 class SkDeflateWStream final : public SkWStream {
 public:
@@ skipping 22 matching lines @@
     // The SkWStream interface:
     bool write(const void*, size_t) override;
     size_t bytesWritten() const override;
 
 private:
     struct Impl;
     std::unique_ptr<Impl> fImpl;
 };
 
 #endif  // SkFlate_DEFINED