NR: Silence spurious dead unit speaking warning by wmllint

Caused by wmllint failing to understand nested event handlers.

data/campaigns/Northern_Rebirth/scenarios/05a_01_The_Pursuit.cfg

@@ -1585,6 +1585,8 @@
             message= _ "Awesome, let’s go!"
         [/message]
 
+        # wmllint: deathcheck off
+
         # Since the player doesn't know about the entrance until shown it this event can be set up only after meeting the dwarfs
         [event]
             name=moveto
@@ -1617,6 +1619,8 @@
                 name=treasury_guard_alert
             [/fire_event]
         [/event]
+
+        # wmllint: deathcheck on
     [/event]
 
     # The spider ambush