Delete unnecessary code
Delete unnecessary code

dennis-park/OOGALoompas,jordanly/oogasalad_OOGALoompas,dianwen/oogasalad_TowerDefense,sdh31/tower_defense,kevinkdo/oogasalad_OOGALoompas,codylieu/oogasalad_OOGALoompas,garysheng/tower-defense-game-engine