Code cleanup: Remove LLVM initialization dead code.

Change-Id: Idc831b39ade784e94979e91dc7f994a9e258ea5a
diff --git a/src/compiler_llvm/compiler_llvm.h b/src/compiler_llvm/compiler_llvm.h
index 6332fb3..7481c8c 100644
--- a/src/compiler_llvm/compiler_llvm.h
+++ b/src/compiler_llvm/compiler_llvm.h
@@ -107,13 +107,6 @@
 
   std::string bitcode_filename_;
 
-  class LLVMInitializer {
-   public:
-    LLVMInitializer();
-    ~LLVMInitializer();
-  };
-  static LLVMInitializer llvm_initialize_guard;
-
   DISALLOW_COPY_AND_ASSIGN(CompilerLLVM);
 };