Apply suggestions from code review

Co-authored-by: Michael McKenzie <mikemck101@gmail.com>

Author: kjbranch

region/norfair/east/Frog Speedway.json

@@ -703,7 +703,6 @@
           "Ice",
           {"ammo": {"type": "Missile", "count": 1}},
           {"ammo": {"type": "Super", "count": 1}},
-          "ScrewAttack",
           {"enemyDamage": {
             "enemy": "Beetom",
             "type": "contact",
@@ -752,7 +751,6 @@
           "Ice",
           {"ammo": {"type": "Missile", "count": 1}},
           {"ammo": {"type": "Super", "count": 1}},
-          "ScrewAttack",
           {"enemyDamage": {
             "enemy": "Beetom",
             "type": "contact",