Delete useless road events

Author: miyiyao（咪依瑶） Deleted ground specific events: Abandoned Truck, Abandoned Train, Downed Airplane, Gas Station, Abandoned Boat, Pool of Water, Thicket Deleted the underground specific event: Abandoned subway station Deleted common items: Abandoned Cars, Cargo Containers, Wooden Crates, Abandoned Tanks, Abandoned AFV In this way, you will be more likely to encounter good events. Good hearted people will give you low-priced supplies every day, and tires, ammunition, and food will not be easily used up. At the same time, you will also be more likely to encounter bad events, which will have a great impact on your journey through the infected area