feat: "server_exists" check

SOURCES/main/cmdgrp/ban/delete

@@ -19,6 +19,10 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+cmd_need_superuser        () { false ;}
+cmd_need_steamuser        () { true  ;}
+cmd_need_installed_server () { false ;}
+
 function cmd_usage ()
 {
 	echo "<id>..."
@@ -34,16 +38,6 @@ function cmd_help ()
 	echo "TODO: description"
 }
 
-function cmd_need_superuser ()
-{
-	false
-}
-
-function cmd_need_steamuser ()
-{
-	true
-}
-
 function cmd_main () # $*: ban list
 {
 	include "$LibDir/ban.lib"