MIPS: remove vim swap file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205595 91177308-0d34-0410-b5e6-96231b3b80d8
ARM: fix test case missed in previous roundup

This should hopefully bring the last MSVC buildbot back to green!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205596 91177308-0d34-0410-b5e6-96231b3b80d8