Clean up header, remove extra #include

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8451 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-extract/llvm-extract.cpp

@@ -1,5 +1,4 @@
-//===----------------------------------------------------------------------===//
-// LLVM extract Utility
+//===- extract.cpp - LLVM function extraction utility ---------------------===//
 //
 // This utility changes the input module to only contain a single function,
 // which is primarily used for debugging transformations.
@@ -8,7 +7,6 @@
 
 #include "llvm/Module.h"
 #include "llvm/PassManager.h"
-#include "llvm/Pass.h"
 #include "llvm/Bytecode/Reader.h"
 #include "llvm/Bytecode/WriteBytecodePass.h"
 #include "llvm/Transforms/IPO.h"