Remove a stale comment, it no longer applied after my cleanups.

Also fix several misspellings in my comments. I cannot spell, and cannot
even be trusted to ask my editor how to spell apparently.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130662 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed