Remove REQUIRES OMP spec version within lit tests

This is a follow up patch to D64534 (r365963) which removed all OMP
spec versioning within the OpenMP runtime codebase.  This patch removes
REQUIRES: openmp-x.y lines from lit tests.


git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@366341 91177308-0d34-0410-b5e6-96231b3b80d8
13 files changed