Fix video letterboxing issue (#9339)

* give video a black background on web

* Video crop on web tweaks (#9371)

* Remove video embed crop option to reduce confusion

* Improve default thumb and border on web

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Co-authored-by: Eric Bailey <git@esb.lol>

src/components/Post/Embed/VideoEmbed/VideoEmbedInner/VideoEmbedInnerWeb.tsx

@@ -7,7 +7,6 @@ import type * as HlsTypes from 'hls.js'
 
 import {useNonReactiveCallback} from '#/lib/hooks/useNonReactiveCallback'
 import {atoms as a} from '#/alf'
-import {MediaInsetBorder} from '#/components/MediaInsetBorder'
 import * as BandwidthEstimate from './bandwidth-estimate'
 import {Controls} from './web-controls/VideoControls'
 
@@ -102,7 +101,6 @@ export function VideoEmbedInnerWeb({
           hasSubtitleTrack={hasSubtitleTrack}
         />
       </div>
-      <MediaInsetBorder />
     </View>
   )
 }