Cleanup element-mixin leftovers from modulizer

Author: TimvdLippe

lib/mixins/element-mixin.js

@@ -720,17 +720,6 @@ export const ElementMixin = dedupingMixin(base => {
   return PolymerElement;
 });
 
-/**
- * Provides basic tracking of element definitions (registrations) and
- * instance counts.
- *
- * @summary Provides basic tracking of element definitions (registrations) and
- * instance counts.
- */
-`TODO(modulizer): A namespace named Polymer.telemetry was
-declared here. The surrounding comments should be reviewed,
-and this string can then be deleted`;
-
 /**
  * Total number of Polymer element instances created.
  * @type {number}
@@ -760,7 +749,7 @@ function _regLog(prototype) {
  */
 export function register(prototype) {
   registrations.push(prototype);
-  undefined && _regLog(prototype);
+  _regLog(prototype);
 }
 
 /**