remove now all the files fro depot for PDF API since we generate them at build time

experimental/PdfViewer/pdfparser/podofo/autogen/SkPdfPageTreeNodeDictionary_autogen.cpp

-#include "SkPdfPageTreeNodeDictionary_autogen.h"
-
-std::string SkPdfPageTreeNodeDictionary::Type() const {
-  std::string ret;
-  if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return "";
-}
-
-SkPdfDictionary* SkPdfPageTreeNodeDictionary::Parent() const {
-  SkPdfDictionary* ret;
-  if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Parent", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfArray* SkPdfPageTreeNodeDictionary::Kids() const {
-  SkPdfArray* ret;
-  if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Kids", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-long SkPdfPageTreeNodeDictionary::Count() const {
-  long ret;
-  if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Count", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return 0;
-}