UtBS S06a: Remove mention of use of poison not usually being tolerated

data/campaigns/Under_the_Burning_Suns/scenarios/06a_In_the_Tunnels_of_Trolls.cfg

@@ -1900,7 +1900,7 @@ _ "These undead trolls fight again in death as they did in life, except this tim
         [message]
             speaker=unit
 
-            message= _ "For a troll this is quite an ornate tomb. The coffin itself is quite impressive. Inside, the skeleton has crumbled to dust and there are a few colored stones and trinkets, but what really sticks out is this emerald wand. I don’t have much experience with magical items, but the asp with emerald eyes and large fangs carved around its shaft leave little doubt as to its power. We don’t normally tolerate using poison, but extreme circumstances call for extreme measures and I have a feeling we may find this useful before our journey is over."
+            message= _ "For a troll this is quite an ornate tomb. The coffin itself is quite impressive. Inside, the skeleton has crumbled to dust and there are a few colored stones and trinkets, but what really sticks out is this emerald wand. I don’t have much experience with magical items, but the asp with emerald eyes and large fangs carved around its shaft leave little doubt as to its power. We may find this useful before our journey is over."
             [option]
                 label= _ "It might be useful, I’ll take it."
                 [command]