check-clang-tools: Prune 'clang' stuff. Clang is not used here.

llvm-svn: 196804
diff --git a/clang-tools-extra/test/CMakeLists.txt b/clang-tools-extra/test/CMakeLists.txt
index 39f87cc..3d8a009 100644
--- a/clang-tools-extra/test/CMakeLists.txt
+++ b/clang-tools-extra/test/CMakeLists.txt
@@ -24,7 +24,7 @@
 
 set(CLANG_TOOLS_TEST_DEPS
   # Base line deps.
-  clang clang-headers FileCheck count not
+  FileCheck count not
 
   # Individual tools we test.
   clang-apply-replacements