Removed unnecessary "class" keyword.

llvm-svn: 184589
diff --git a/lld/lib/Core/Resolver.cpp b/lld/lib/Core/Resolver.cpp
index e95aa9c..49ec120 100644
--- a/lld/lib/Core/Resolver.cpp
+++ b/lld/lib/Core/Resolver.cpp
@@ -88,7 +88,7 @@
 }
 
 
-void Resolver::doUndefinedAtom(const class UndefinedAtom& atom) {
+void Resolver::doUndefinedAtom(const UndefinedAtom& atom) {
   DEBUG_WITH_TYPE("resolver", llvm::dbgs()
                     << "       UndefinedAtom: "
                     << llvm::format("0x%09lX", &atom)