Handle case where ad-cleanup fails (redo)

The solution didn't work 100%, only reduces the chances of happening significantly. So far, still can happen on hot-reload during development.

- Reverted 15bd26399f.
- Fix by just hiding the unoccupied aniBox

ui/scss/component/_ads.scss

@@ -66,6 +66,10 @@
       transition: unset !important;
     }
 
+    #aniBox[style*='height: 1px'] {
+      display: none;
+    }
+
     #aniBox,
     #av-container {
       width: 100% !important;

web/component/ads/view.jsx

@@ -50,20 +50,6 @@ function removeIfExists(querySelector) {
   if (element) element.remove();
 }
 
-function clearAdElements() {
-  // clear aniview state to allow ad reload
-  delete window.aniplayerPos;
-  delete window.storageAni;
-  delete window.__VIDCRUNCH_CONFIG_618bb4d28aac298191eec411__;
-  delete window.__player_618bb4d28aac298191eec411__;
-
-  // clean DOM elements from ad related elements
-  removeIfExists('[src^="https://cdn.vidcrunch.com/618bb4d28aac298191eec411.js"]');
-  removeIfExists('[src^="https://player.aniview.com/script/6.1/aniview.js"]');
-  removeIfExists('[id^="AVLoaderaniplayer_vidcrunch"]');
-  removeIfExists('#av_css_id');
-}
-
 function Ads(props: Props) {
   const { type = 'video', tileLayout, small, userHasPremiumPlus, className } = props;
 
@@ -79,7 +65,6 @@ function Ads(props: Props) {
     if (shouldShowAds) {
       let script;
       try {
-        clearAdElements();
         script = document.createElement('script');
         script.src = adConfig.url;
         // $FlowFixMe
@@ -88,7 +73,18 @@ function Ads(props: Props) {
         return () => {
           // $FlowFixMe
           document.head.removeChild(script);
-          clearAdElements();
+
+          // clear aniview state to allow ad reload
+          delete window.aniplayerPos;
+          delete window.storageAni;
+          delete window.__VIDCRUNCH_CONFIG_618bb4d28aac298191eec411__;
+          delete window.__player_618bb4d28aac298191eec411__;
+
+          // clean DOM elements from ad related elements
+          removeIfExists('[src^="https://cdn.vidcrunch.com/618bb4d28aac298191eec411.js"]');
+          removeIfExists('[src^="https://player.aniview.com/script/6.1/aniview.js"]');
+          removeIfExists('[id^="AVLoaderaniplayer_vidcrunch"]');
+          removeIfExists('#av_css_id');
         };
       } catch (e) {}
     }