[NFC] Fixing -DBUILD_SHARED_LIBS=ON problem caused by layering issue in  D60974


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@363646 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CMakeLists.txt b/lib/Frontend/CMakeLists.txt
index 6598017..c23ab1e 100644
--- a/lib/Frontend/CMakeLists.txt
+++ b/lib/Frontend/CMakeLists.txt
@@ -55,7 +55,6 @@
   clangAST
   clangBasic
   clangDriver
-  clangIndex
   clangEdit
   clangLex
   clangParse