Remove Python 2.6

*** 34,40 ****
  depend fmri=system/library/libdbus-glib type=require
  depend fmri=system/library/mozilla-nss/header-nss type=require
  depend fmri=system/header type=require
  depend fmri=system/management/snmp/net-snmp type=require
  depend fmri=text/gnu-gettext type=require
! depend fmri=library/python-2/python-extra-26 type=require
  depend fmri=pkg://omnios/runtime/python-27 type=require
--- 34,40 ----
  depend fmri=system/library/libdbus-glib type=require
  depend fmri=system/library/mozilla-nss/header-nss type=require
  depend fmri=system/header type=require
  depend fmri=system/management/snmp/net-snmp type=require
  depend fmri=text/gnu-gettext type=require
! depend fmri=library/python-2/python-extra-27 type=require
  depend fmri=pkg://omnios/runtime/python-27 type=require