Use existing middle end checking for Fortran OpenACC loop clauses
Don't duplicate in the Fortran front end what's generically being checked in
the middle end.
gcc/fortran/
* openmp.c (resolve_oacc_loop_blocks): Remove checking of OpenACC
loop clauses.
gcc/testsuite/
* gfortran.dg/goacc/loop-2-kernels.f95: Update.
* gfortran.dg/goacc/loop-2-parallel.f95: Likewise.
* gfortran.dg/goacc/nested-parallelism.f90: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266922 138bc75d-0d04-0410-961f-82ee72b054a4