hiding prepaid flag for systems without prepaid support

etc/admin.conf

@@ -2,6 +2,9 @@
 <config debugging="0"
         log4perlconf="/etc/ngcp-ossbss/logging.conf"
         billing_features="[% www_admin.billing_features %]"
+        [- IF PRO -]
+        prepaid_features="[% www_admin.prepaid_features %]"
+        [- END -]
         peering_features="[% www_admin.peering_features %]"
 	[% IF asterisk.voicemail.enable == "yes" %]
         voicemail_features="[% www_admin.voicemail_features %]"

root/tt/bilprof_edit.tt

@@ -33,6 +33,7 @@
                 </div>
               </li>
               [% IF messages.name %]<div class="error">[% messages.name %]</div>[% END %]
+              [% IF Catalyst.config.prepaid_features %]
               <li class="ui-state-default">
                 <div class="span-3">prepaid:</div>
                 <div class="span-6">
@@ -41,6 +42,7 @@
                 </div>
                 <div class="span-6 last">&nbsp;</div>
               </li>
+              [% END %]
               <li class="ui-state-default">
                 <div class="span-3">Interval Charge:</div>
                 <div class="span-6">