Remove unnecessary return statements

These statements were automatically added by CoffeeScript.

I'm only removing the obvious cases; there might be more cases where the
`return` statement isn't necessary.

app/assets/javascripts/fixed_bar.js

@@ -1,21 +1,18 @@
-// Generated by CoffeeScript 1.12.6
 (function() {
   "use strict";
   App.FixedBar = {
     initialize: function() {
-      return $("[data-fixed-bar]").each(function() {
+      $("[data-fixed-bar]").each(function() {
         var $this, fixedBarTopPosition;
         $this = $(this);
         fixedBarTopPosition = $this.offset().top;
-        return $(window).on("scroll", function() {
+        $(window).on("scroll", function() {
           if ($(window).scrollTop() > fixedBarTopPosition) {
             $this.addClass("is-fixed");
-            return $("#check-ballot").css({
-              "display": "inline-block"
-            });
+            $("#check-ballot").css({ "display": "inline-block" });
           } else {
             $this.removeClass("is-fixed");
-            return $("#check-ballot").hide();
+            $("#check-ballot").hide();
           }
         });
       });