REALLY remove mod_ipp from illumos-omnios.

@@ -112,11 +112,10 @@
                 md.tab.4                        \
                 mddb.cf.4                       \
                 mech.4                          \
                 meddb.4                         \
                 mnttab.4                        \
-                mod_ipp.4                       \
                 mpapi.conf.4                    \
                 nca.if.4                        \
                 ncad_addr.4                     \
                 ncakmod.conf.4                  \
                 ncalogd.conf.4                  \