Merge branch 'followers-tsx' into 'develop'

Followers/Following: convert to TSX

See merge request soapbox-pub/soapbox!1784

app/soapbox/utils/accounts.ts

@@ -1,5 +1,3 @@
-import { Map as ImmutableMap, OrderedSet as ImmutableOrderedSet } from 'immutable';
-
 import type { Account } from 'soapbox/types/entities';
 
 const getDomainFromURL = (account: Account): string => {
@@ -28,12 +26,6 @@ export const getAcct = (account: Account, displayFqn: boolean): string => (
   displayFqn === true ? account.fqn : account.acct
 );
 
-export const getFollowDifference = (state: ImmutableMap<string, any>, accountId: string, type: string): number => {
-  const items: any = state.getIn(['user_lists', type, accountId, 'items'], ImmutableOrderedSet());
-  const counter: number = Number(state.getIn(['accounts_counters', accountId, `${type}_count`], 0));
-  return Math.max(counter - items.size, 0);
-};
-
 export const isLocal = (account: Account): boolean => {
   const domain: string = account.acct.split('@')[1];
   return domain === undefined ? true : false;