Finally drop the 'static' from INLINE and ALWAYS_INLINE

The ALWAYS_INLINE doesn't have static on POSIX anyways since r178341; the INLINE is only used in .h files, so shouldn't have been 'static' in the first place

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@179371 91177308-0d34-0410-b5e6-96231b3b80d8