disable access restriction if all owners are removed

lib/metadata.js

@@ -224,8 +224,9 @@ commands.RM_OWNERS = function (meta, args) {
         changed = true;
     });
 
-    // XXX RESTRICT only owned channels can be restricted
+    if (meta.owners.length === 0 && meta.restricted) {
-    // drop the restricted flag if there are no owners
+        meta.restricted = false;
+    }
 
     return changed;
 };
@@ -305,8 +306,9 @@ commands.RESET_OWNERS = function (meta, args) {
         });
     }
 
-    // XXX RESTRICT only owned channels can be restricted
+    if (meta.owners.length === 0 && meta.restricted) {
-    // drop the restricted flag if there are no owners
+        meta.restricted = false;
+    }
 
     return true;
 };