CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113632 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-ar/CMakeLists.txt

@@ -1,8 +1,9 @@
-set(LLVM_LINK_COMPONENTS archive)
 set(LLVM_REQUIRES_EH 1)
 
 add_llvm_tool(llvm-ar
   llvm-ar.cpp
   )
 
+target_link_libraries(llvm-ar LLVMArchive)
+
 # TODO: Support check-local.