FreeBSD Update multiple changes

- remove memcache
- update switch url
- switch package require postgresql 15
- portsnap enabled

freebsd/resources/switch/package-release.sh

@@ -32,11 +32,8 @@ cd $cwd
 #chmod u-w,ugo+x /usr/local/etc/rc.d/freeswitch
 
 #enable the services
-echo 'memcached_enable="YES"' >> /etc/rc.conf
 echo 'freeswitch_enable="YES"' >> /etc/rc.conf
 echo 'freeswitch_flags="-nonat"' >> /etc/rc.conf
 echo 'freeswitch_username="www"' >> /etc/rc.conf
 echo 'freeswitch_groupname="www"' >> /etc/rc.conf
 
-#start the service
-service memcached start