remove complete example from angular and vue pages

Author: chrisbonifacio

src/pages/[platform]/build-a-backend/data/working-with-files/index.mdx

@@ -2188,7 +2188,7 @@ struct PhotoAlbumView_Previews: PreviewProvider {
 </InlineFilter>
 
 <InlineFilter filters={[
-  "javascript", "react-native", "angular", "nextjs", "react", "vue"
+  "javascript", "react-native", "nextjs", "react"
 ]}>
 <BlockSwitcher>
 <Block name="Single File (TS)">