RawError.h - remove unused <string> include. NFCI.

diff --git a/llvm/include/llvm/DebugInfo/PDB/Native/RawError.h b/llvm/include/llvm/DebugInfo/PDB/Native/RawError.h
index fbfefe7..8836adf 100644 (file)
--- a/llvm/include/llvm/DebugInfo/PDB/Native/RawError.h
+++ b/llvm/include/llvm/DebugInfo/PDB/Native/RawError.h
@@ -11,8 +11,6 @@
 
 #include "llvm/Support/Error.h"
 
-#include <string>
-
 namespace llvm {
 namespace pdb {
 enum class raw_error_code {