refactor(channel): remove unused pushName field

Author: vduggen

src/api/services/channel.service.ts

@@ -818,7 +818,6 @@ export class ChannelStartupService {
               to_timestamp("Message"."messageTimestamp"::double precision),
               "Contact"."updatedAt"
             ) as "updatedAt",
-            "Chat"."name" as "pushName",
             "Chat"."createdAt" as "windowStart",
             "Chat"."createdAt" + INTERVAL '24 hours' as "windowExpires",
             "Chat"."unreadMessages" as "unreadMessages",