LLVM-GCC is dead. Really. I promise. ;]

More importantly, these files don't even have the variable that these
lines purport to substite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159304 91177308-0d34-0410-b5e6-96231b3b80d8

test/Makefile

@@ -165,7 +165,6 @@ lit.site.cfg: site.exp
 	@$(ECHOPATH) s=@LLVM_SOURCE_DIR@=$(LLVM_SRC_ROOT)=g > lit.tmp
 	@$(ECHOPATH) s=@LLVM_BINARY_DIR@=$(LLVM_OBJ_ROOT)=g >> lit.tmp
 	@$(ECHOPATH) s=@LLVM_TOOLS_DIR@=$(ToolDir)=g >> lit.tmp
-	@$(ECHOPATH) s=@LLVMGCCDIR@=$(LLVMGCCDIR)=g >> lit.tmp
 	@$(ECHOPATH) s=@PYTHON_EXECUTABLE@=python=g >> lit.tmp
 	@$(ECHOPATH) s=@ENABLE_SHARED@=$(ENABLE_SHARED)=g >> lit.tmp
 	@$(ECHOPATH) s=@ENABLE_ASSERTIONS@=$(ENABLE_ASSERTIONS)=g >> lit.tmp
@@ -181,7 +180,6 @@ Unit/lit.site.cfg: $(PROJ_OBJ_DIR)/Unit/.dir FORCE
 	@$(ECHOPATH) s=@LLVM_SOURCE_DIR@=$(LLVM_SRC_ROOT)=g > unit.tmp
 	@$(ECHOPATH) s=@LLVM_BINARY_DIR@=$(LLVM_OBJ_ROOT)=g >> unit.tmp
 	@$(ECHOPATH) s=@LLVM_TOOLS_DIR@=$(ToolDir)=g >> unit.tmp
-	@$(ECHOPATH) s=@LLVMGCCDIR@=$(LLVMGCCDIR)=g >> unit.tmp
 	@$(ECHOPATH) s=@LLVM_BUILD_MODE@=$(BuildMode)=g >> unit.tmp
 	@$(ECHOPATH) s=@ENABLE_SHARED@=$(ENABLE_SHARED)=g >> unit.tmp
 	@$(ECHOPATH) s=@SHLIBDIR@=$(SharedLibDir)=g >> unit.tmp