[Glitch] Add server banner to web app

Port d2528b26b6 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/util/initial_state.js

@@ -40,6 +40,5 @@ export const showTrends = getMeta('trends');
 export const title = getMeta('title');
 export const disableSwiping = getMeta('disable_swiping');
 export const languages = initialState && initialState.languages;
-export const server = initialState && initialState.server;
 
 export default initialState;