[libclang] Remove duplicate dependency on LLVMSupport

Differential Revision: https://reviews.llvm.org/D79451

GitOrigin-RevId: 02b303321d3f0d3b2c69f68aa25560848dd61f98
diff --git a/tools/libclang/CMakeLists.txt b/tools/libclang/CMakeLists.txt
index f56771b..4f0eec9 100644
--- a/tools/libclang/CMakeLists.txt
+++ b/tools/libclang/CMakeLists.txt
@@ -44,7 +44,6 @@
   clangSema
   clangSerialization
   clangTooling
-  LLVMSupport
 )
 
 if (CLANG_ENABLE_ARCMT)