speed paths deinstall

summon FallingSand ~ ~1.5 ~ {Motion:[0.0d,-1.0d,0.0d],Time:1,DropItem:0,Block:redstone_block,Passengers:[{id:FallingSand,Time:1,DropItem:0,Block:activator_rail},{id:MinecartCommandBlock,Command:execute @e[name=GM4_speedPaths] ~ ~ ~ fill ~-1 ~ ~ ~3 ~1 ~ minecraft:air},{id:MinecartCommandBlock,Command:kill @e[name=GM4_speedPaths]},{id:MinecartCommandBlock,Command:scoreboard players tag @a remove GM4_HasSpeed},{id:MinecartCommandBlock,Command:setblock ~ ~-2 ~ command_block 0 replace {SuccessCount:0b,auto:1b,Command:fill ~ ~ ~ ~ ~2 ~ air}},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=0]}]}