minor #14299 [2.3] Fix javascript (SpacePossum)

This PR was merged into the 2.3 branch.

Discussion
----------

[2.3] Fix javascript

| Q             | A
| ------------- | ---
| Bug fix?      |yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| License       | MIT

Remove dead code and add missing semicolons.

Commits
-------

df76126 Fix javascript

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/time.html.twig

@@ -103,13 +103,13 @@
                 return dict.hasOwnProperty(key)
                     ? dict[key]
                     : null;
-                }
+                };
 
             this.set = function(key, value) {
                 dict[key] = value;
 
                 return value;
-            }
+            };
         };
 
         /**
@@ -383,7 +383,7 @@
 
                 return this;
             };
-        };
+        }
 
         function canvasAutoUpdateOnResizeAndSubmit(e) {
             e.preventDefault();

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig

@@ -98,9 +98,7 @@
             },
 
             toggle: function(selector, elOn, elOff) {
-                var i,
-                    style,
-                    tmp = elOn.style.display,
+                var tmp = elOn.style.display,
                     el = document.getElementById(selector);
 
                 elOn.style.display = elOff.style.display;

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/layout.html.twig

@@ -121,7 +121,7 @@
             for (elem in menuItems) {
                 if (typeof(menuItems[elem].children) !== 'undefined' &&
                     menuItems[elem].children.length > 0) {
-                    child = menuItems[elem].children[0]
+                    child = menuItems[elem].children[0];
 
                     if ('' === child.getAttribute('title') ||
                         null === child.getAttribute('title')) {