accounts: fix profile list for enabling referrals

when I moved the available profile list from GET(/invites) to
GET(/profiles/names), I forgot to remove the multiple places which
called the former and set the (now undefined) profiles value.

ts/modules/accounts.ts

@@ -1510,7 +1510,6 @@ export class accountsList {
 
                 let innerHTML = "";
                 let invites = req.response["invites"] as Array<Invite>;
-                window.availableProfiles = req.response["profiles"];
                 if (invites) {
                     for (let inv of invites) {
                         let name = inv.code;