Axe unused SESS_UNLOCK_NOSWITCH() and PGRP_UNLOCK_NOSWITCH() macros.  The MTX_NOSWITCH flag was deprecated a while ago.
Axe unused SESS_UNLOCK_NOSWITCH() and PGRP_UNLOCK_NOSWITCH() macros.  The
MTX_NOSWITCH flag was deprecated a while ago.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase