[COMBAT SURF] !knife during Grenade Round

[Muffin]

So i set an event and me and tree came across a glitch i guess you can call it, so i set an event for grenade round only and a few people had knives, and i did !knife and i had one all of a sudden and players were knifing each other on a grenade round only 

PLZ fix 
- Muffin