apps file_sharing - remove "$RUNTIME_NOAPPS = true" from all ajax file

to enable other user backend

apps/files_sharing/ajax/getitem.php

 <?php
-$RUNTIME_NOAPPS = true;
+//$RUNTIME_NOAPPS = true;
 
 require_once('../../../lib/base.php');
 OC_JSON::checkAppEnabled('files_sharing');

apps/files_sharing/ajax/setpermissions.php

 <?php
-$RUNTIME_NOAPPS = true;
+//$RUNTIME_NOAPPS = true;
 
 require_once('../../../lib/base.php');
 OC_JSON::checkAppEnabled('files_sharing');

apps/files_sharing/ajax/share.php

 <?php
-$RUNTIME_NOAPPS = true;
+//$RUNTIME_NOAPPS = true;
 
 require_once('../../../lib/base.php');
 OC_JSON::checkAppEnabled('files_sharing');

apps/files_sharing/ajax/unshare.php

 <?php
-$RUNTIME_NOAPPS = true;
+//$RUNTIME_NOAPPS = true;
 
 require_once('../../../lib/base.php');
 OC_JSON::checkAppEnabled('files_sharing');