removing param_header_begin and param_header_end

Author: joaosaffran

llvm/include/llvm/Object/DXContainer.h

@@ -187,10 +187,6 @@ class RootSignature {
   llvm::iterator_range<param_header_iterator> param_header() const {
     return llvm::make_range(ParametersHeaders.begin(), ParametersHeaders.end());
   }
-  param_header_iterator param_header_begin() {
-    return ParametersHeaders.begin();
-  }
-  param_header_iterator param_header_end() { return ParametersHeaders.end(); }
   uint32_t getFlags() const { return Flags; }
 
   llvm::Expected<RootParameterView>

llvm/lib/Object/DXContainer.cpp

@@ -20,10 +20,6 @@ static Error parseFailed(const Twine &Msg) {
   return make_error<GenericBinaryError>(Msg.str(), object_error::parse_failed);
 }
 
-static Error validationFailed(const Twine &Msg) {
-  return make_error<StringError>(Msg.str(), inconvertibleErrorCode());
-}
-
 template <typename T>
 static Error readStruct(StringRef Buffer, const char *Src, T &Struct) {
   // Don't read before the beginning or past the end of the file