Remove unnecessary explicit instantiation.

llvm-svn: 256370
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index 539ea64..6f32d3d 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -1147,7 +1147,7 @@
 template <class ELFT> void Writer<ELFT>::openFile(StringRef Path) {
   ErrorOr<std::unique_ptr<FileOutputBuffer>> BufferOrErr =
       FileOutputBuffer::create(Path, FileSize, FileOutputBuffer::F_executable);
-  error(BufferOrErr, Twine("failed to open ") + Path);
+  error(BufferOrErr, "failed to open " + Path);
   Buffer = std::move(*BufferOrErr);
 }