[BinaryFormat] Remove dangling declaration of DiscriminantString

The implementation of the function was deleted in r324426. This also
removes the declaration.

llvm-svn: 324474

diff --git a/llvm/include/llvm/BinaryFormat/Dwarf.h b/llvm/include/llvm/BinaryFormat/Dwarf.h
index 29df99b..3ca7164 100644 (file)
--- a/llvm/include/llvm/BinaryFormat/Dwarf.h
+++ b/llvm/include/llvm/BinaryFormat/Dwarf.h
@@ -420,7 +420,6 @@ StringRef CaseString(unsigned Case);
 StringRef ConventionString(unsigned Convention);
 StringRef InlineCodeString(unsigned Code);
 StringRef ArrayOrderString(unsigned Order);
-StringRef DiscriminantString(unsigned Discriminant);
 StringRef LNStandardString(unsigned Standard);
 StringRef LNExtendedString(unsigned Encoding);
 StringRef MacinfoString(unsigned Encoding);