remove unneeded flags from cray xe6 platform file.

This commit was SVN r25363.

contrib/platform/lanl/cray_xe6/debug-nopanasas

@@ -31,9 +31,3 @@ with_slurm=no
 with_io_romio_flags=--with-file-system=ufs+nfs
 with_memory_manager=ptmalloc2
 with_valgrind=no
-CFLAGS="-I/opt/cray/pmi/default/include"
-CXXFLAGS="-I/opt/cray/pmi/default/include"
-FCFLAGS="-I/opt/cray/pmi/default/include"
-FFLAGS="-I/opt/cray/pmi/default/include"
-CCASFLAGS="-I/opt/cray/pmi/default/include"
-LDFLAGS="-L/opt/cray/pmi/default/lib64 -lpmi"