🌎World optimizations

USM offers the possibility of optimizing worlds. By "optimize" we mean remove all the most laggy entities, including:

• Dropped items

• Falling blocks

• Empty boats

• Experience orbs

• Paintings

• Projectiles (bottles of enchanting, ender eyes, eggs, arrows, ender pearls, tridents, lingering potions, fire charges)

• Primed TNTs

• Empty minecarts