repl completion: comment/TODO cleanup, no functional change

lib/repl.js

@@ -150,7 +150,8 @@ REPLServer.prototype.readline = function (cmd) {
  *    -> [['sys.print', 'sys.debug', 'sys.log', 'sys.inspect', 'sys.pump'],
  *        'sys.' ]
  *
- * TODO: add warning about exec'ing code... property getters could be run
+ * Warning: This eval's code like "foo.bar.baz", so it will run property
+ * getter code.
  */
 
 REPLServer.prototype.complete = function (line) {
@@ -231,8 +232,6 @@ REPLServer.prototype.complete = function (line) {
           //console.log("completion eval error, expr='"+expr+"': "+e);
         }
         if (obj != null) {
-          //TODO: The following, for example, misses "Object.isSealed". Is there
-          //      a way to introspec those? Need to hardcode?
           if (typeof obj === "object" || typeof obj === "function") {
             memberGroups.push(Object.getOwnPropertyNames(obj));
           }