chore!: remove deprecated livechat:loadHistory method (#33390)

Signed-off-by: Abhinav Kumar <[email protected]>

Author: abhinavkrin

.changeset/slow-crabs-run.md

@@ -0,0 +1,5 @@
+---
+'@rocket.chat/meteor': patch
+---
+
+Removed deprecated method `livechat:loadHistory` method. Moving forward use the `ivechat/messages.history/:rid` endpoint

apps/meteor/app/livechat/server/index.ts

@@ -29,7 +29,6 @@ import './methods/getAnalyticsChartData';
 import './methods/getAnalyticsOverviewData';
 import './methods/getNextAgent';
 import './methods/getRoutingConfig';
-import './methods/loadHistory';
 import './methods/loginByToken';
 import './methods/pageVisited';
 import './methods/registerGuest';