Fix up some minor issues with the special node editing dialog

- Also: merge "nuke monsters" and "destroy monster" nodes, since the action of the "destroy monster" node isn't what it sounds like; now it simply destroys a single monster on a specific space

rsrc/strings/specials-text-outdoor.txt

@@ -14,18 +14,18 @@ Unused
 Unused
 Special to Jump To
 --------------------
-Change Out Terrain
-Unused
-Unused
-First part of message
-Second part of message
+Unused Node
+Unused
+Unused
+Unused
+Unused
+Unused
+Unused
+Unused
 Unused
 Unused
 Unused
-X coordinate of space
-Y coordinate of space
 Unused
-Terrain to change to
 Unused
 Unused
 Special to Jump To