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

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

-#include "SkPdfMarkedContentReferenceDictionary_autogen.h"
-
-std::string SkPdfMarkedContentReferenceDictionary::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* SkPdfMarkedContentReferenceDictionary::Pg() const {
-  SkPdfDictionary* ret;
-  if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Pg", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfStream* SkPdfMarkedContentReferenceDictionary::Stm() const {
-  SkPdfStream* ret;
-  if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Stm", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfObject* SkPdfMarkedContentReferenceDictionary::StmOwn() const {
-  SkPdfObject* ret;
-  if (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "StmOwn", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-long SkPdfMarkedContentReferenceDictionary::MCID() const {
-  long ret;
-  if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "MCID", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return 0;
-}