fix: repeated source url

Author: roerohan

public/__redirects

@@ -2360,6 +2360,5 @@
 /realtime/changelog /realtime/sfu/changelog/ 302
 
 /realtime/realtimekit/get-started /realtime/realtimekit/getting-started/ 302
-/realtime/get-started /realtime/realtimekit/getting-started/ 302
 /realtime/introduction /realtime/realtimekit/introduction 302
 /realtime/concepts /realtime/realtimekit/concepts 302