Remove obsolete (CLANG|LLVM)_TBLGEN

The last users have been removed.

Test: treehugger
Change-Id: Iafbf5228020bad26e1c241d46473ec559920b2fb
diff --git a/core/clang/config.mk b/core/clang/config.mk
index 98e01da..63582c2 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -2,9 +2,6 @@
 
 LLVM_RTLIB_PATH := $(LLVM_PREBUILTS_PATH)/../lib64/clang/$(LLVM_RELEASE_VERSION)/lib/linux/
 
-CLANG_TBLGEN := $(BUILD_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
-LLVM_TBLGEN := $(BUILD_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
-
 define convert-to-clang-flags
 $(strip $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(1)))
 endef