Sync split scripts, more misc splits/doc

data/maps/Route4/map.json

@@ -86,7 +86,7 @@
       "movement_range_y": 1,
       "trainer_type": 0,
       "trainer_sight_or_berry_tree_id": 0,
-      "script": "Route4_EventScript_1C494E",
+      "script": "Route4_EventScript_MegaPunchTutor",
       "flag": "0"
     },
     {
@@ -99,7 +99,7 @@
       "movement_range_y": 1,
       "trainer_type": 0,
       "trainer_sight_or_berry_tree_id": 0,
-      "script": "Route4_EventScript_1C49B6",
+      "script": "Route4_EventScript_MegaKickTutor",
       "flag": "0"
     },
     {