Update CMakeLists


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77385 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/CMakeLists.txt b/tools/llvm-mc/CMakeLists.txt
index d2e9e71..8781846 100644
--- a/tools/llvm-mc/CMakeLists.txt
+++ b/tools/llvm-mc/CMakeLists.txt
@@ -5,5 +5,4 @@
   AsmExpr.cpp
   AsmLexer.cpp
   AsmParser.cpp
-  MC-X86Specific.cpp
   )