Remove dead code.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67769 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Makefile b/lib/Driver/Makefile
index 38b11ce..5110872 100644
--- a/lib/Driver/Makefile
+++ b/lib/Driver/Makefile
@@ -18,7 +18,7 @@
 SVN_REVISION := $(shell cd $(PROJ_SRC_DIR)/../.. && svnversion)
 
 CPP.Defines += -I$(PROJ_SRC_DIR)/../../include -I$(PROJ_OBJ_DIR)/../../include \
-         -DTARGET_TRIPLE='"$(TARGET_TRIPLE)"' -DSVN_REVISION='"$(SVN_REVISION)"'
+         -DSVN_REVISION='"$(SVN_REVISION)"'
 
 $(ObjDir)/.ver-svn .ver:
 	@if [ '$(SVN_REVISION)' != '$(shell cat $(ObjDir)/.ver-svn 2>/dev/null)' ]; then\