A couple of misc tidy-ups.

Change-Id: I66601dc63fcbd223ae73ed0040bff5931df90df5
diff --git a/ui/src/frontend/widgets_page.ts b/ui/src/frontend/widgets_page.ts
index bcd1b43..638ce19 100644
--- a/ui/src/frontend/widgets_page.ts
+++ b/ui/src/frontend/widgets_page.ts
@@ -853,9 +853,6 @@
               },
             }),
             ),
-          initialOpts: {
-            hideControls: false,
-          },
           wide: true,
         }),
         m(
diff --git a/ui/src/tracks/counter/index.ts b/ui/src/tracks/counter/index.ts
index 4c09a08..6278e88 100644
--- a/ui/src/tracks/counter/index.ts
+++ b/ui/src/tracks/counter/index.ts
@@ -528,7 +528,6 @@
   }
 }
 
-// This is just an example plugin, used to prove that the plugin system works.
 class CounterTrackPlugin implements TracePlugin {
   static migrate(_initialState: unknown): {} {
     return {};