Remove excessive parentheses.

llvm-svn: 278462
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index 980d27e..d7e460f 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -129,7 +129,7 @@
           Ret.push_back(S);
   }
 
-  if ((llvm::find(Patterns, "COMMON") != Patterns.end()))
+  if (llvm::find(Patterns, "COMMON") != Patterns.end())
     Ret.push_back(CommonInputSection<ELFT>::X);
 
   return Ret;