Revert "Add CFLAGS when building rhel6 site-packages"
Revert "Add CFLAGS when building rhel6 site-packages"

To make this work, we'll also need:

    CFLAGS=-Qunused-arguments

For now, we'll explore forking dm.xmlsec.bindings.

This reverts commit be83561bfe996d5e5b2e291787f2e863fa5b9203.

snahelou/awx,snahelou/awx,snahelou/awx,wwitzel3/awx,wwitzel3/awx,wwitzel3/awx,snahelou/awx,wwitzel3/awx