[MIRROR] Refactors roundstart centcom threat report. (#2739)

* Refactors roundstart centcom threat report.

* Update blob.dm

* Update changeling.dm

* Update traitor_chan.dm

* Update sandbox.dm

* Update traitor.dm

code/game/gamemodes/traitor/double_agents.dm

@@ -5,6 +5,7 @@
 /datum/game_mode/traitor/internal_affairs
 	name = "Internal Affairs"
 	config_tag = "internal_affairs"
+	false_report_weight = 10
 	required_players = 25
 	required_enemies = 5
 	recommended_enemies = 8
@@ -75,3 +76,6 @@
 		late_joining_list -= M
 
 
+/datum/game_mode/traitor/internal_affairs/generate_report()
+	return "Nanotrasen denies any accusations of placing internal affairs agents onboard your station to eliminate inconvenient employees.  Any further accusations against Centcom for such \
+			actions will be met with a conversation with an official internal affairs agent."