clean some code in the map dump

data/maps/FourIsland_IcefallCave_B1F/map.json

@@ -23,7 +23,7 @@
       "movement_range_y": 1,
       "trainer_type": 0,
       "trainer_sight_or_berry_tree_id": 0,
-      "script": "SSAnne_CaptainsOffice2_EventScript_1BED6D",
+      "script": "FourIsland_IcefallCave_B1F_EventScript_1BED6D",
       "flag": "498"
     },
     {
@@ -36,7 +36,7 @@
       "movement_range_y": 1,
       "trainer_type": 0,
       "trainer_sight_or_berry_tree_id": 0,
-      "script": "SSAnne_CaptainsOffice2_EventScript_1BED7A",
+      "script": "FourIsland_IcefallCave_B1F_EventScript_1BED7A",
       "flag": "499"
     }
   ],