Bug 13571: followup to remove some now-unused options

The memcache parameters aren't used by anything (except C4::SQLHelper,
but that's a cancer on the face of the earth) anymore, so they can go.

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>

debian/templates/koha-conf-site.xml.in

@@ -276,9 +276,7 @@ __END_SRU_PUBLICSERVER__
  <!-- <pazpar2url>http://__PAZPAR2_HOST__:__PAZPAR2_PORT__/search.pz2</pazpar2url> -->
  <install_log>/usr/share/koha/misc/koha-install-log</install_log>
  <useldapserver>0</useldapserver><!-- see C4::Auth_with_ldap for extra configs you must add if you want to turn this on -->
-<useshibboleth>0</useshibboleth><!-- see C4::Auth_with_shibboleth for extra configs you must do to turn this on -->
- <memcached_servers>__MEMCACHED_SERVERS__</memcached_servers>
- <memcached_namespace>__MEMCACHED_NAMESPACE__</memcached_namespace>
+ <useshibboleth>0</useshibboleth><!-- see C4::Auth_with_shibboleth for extra configs you must do to turn this on -->
  <zebra_bib_index_mode>__BIBLIOS_INDEXING_MODE__</zebra_bib_index_mode>
  <zebra_auth_index_mode>__AUTHORITIES_INDEXING_MODE__</zebra_auth_index_mode>
  <zebra_lockdir>/var/lock/koha/__KOHASITE__</zebra_lockdir>