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

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

-#include "SkPdfSoftMaskDictionary_autogen.h"
-
-std::string SkPdfSoftMaskDictionary::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 "";
-}
-
-std::string SkPdfSoftMaskDictionary::S() const {
-  std::string ret;
-  if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "S", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return "";
-}
-
-SkPdfStream* SkPdfSoftMaskDictionary::G() const {
-  SkPdfStream* ret;
-  if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "G", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfArray* SkPdfSoftMaskDictionary::BC() const {
-  SkPdfArray* ret;
-  if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BC", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfFunction SkPdfSoftMaskDictionary::getTRAsFunction() const {
-  SkPdfFunction ret = SkPdfFunction();
-  if (FunctionFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "TR", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return SkPdfFunction();
-}
-
-std::string SkPdfSoftMaskDictionary::getTRAsName() const {
-  std::string ret = "";
-  if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "TR", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return "";
-}