Remove cruft that I didn't intend to commit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106932 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index 7a14ed2..fd34ca3 100644
--- a/Makefile
+++ b/Makefile
@@ -42,11 +42,6 @@
 ifdef CLANG_VENDOR
 CPP.Flags += -DCLANG_VENDOR='"$(CLANG_VENDOR) "'
 endif
-ifdef CLANG_VERSION
-CPP.Flags += \
-	-DCLANG_VERSION='"$(CLANG_VERSION)"'
-	-DCLANG_VERSION='"$(CLANG_VERSION)"'
-endif
 
 # Disable -fstrict-aliasing. Darwin disables it by default (and LLVM doesn't
 # work with it enabled with GCC), Clang/llvm-gc don't support it yet, and newer