updated synapse.nix

modules/synapse.nix

@@ -47,8 +47,6 @@ in
     			turn_uris = [
       				"turn:${personalization.matrix_url}:5349?transport=udp"
       				"turn:${personalization.matrix_url}:5349?transport=tcp"
-      			"turns:${personalization.matrix_url}:5349?transport=udp"
-      			"turns:${personalization.matrix_url}:5349?transport=tcp"
 			];
 			presence.enabled = true;
 			enable_registration = false;