[bolt] Fix the build after 0556a2a

StringRef now implictly converts into ArrayRef<char>.

Author: d0k

bolt/include/bolt/Core/BinarySection.h

@@ -523,11 +523,6 @@ inline uint8_t *copyByteArray(const uint8_t *Data, uint64_t Size) {
   return Array;
 }
 
-inline uint8_t *copyByteArray(StringRef Buffer) {
-  return copyByteArray(reinterpret_cast<const uint8_t *>(Buffer.data()),
-                       Buffer.size());
-}
-
 inline uint8_t *copyByteArray(ArrayRef<char> Buffer) {
   return copyByteArray(reinterpret_cast<const uint8_t *>(Buffer.data()),
                        Buffer.size());