Add inrange check to removing vehicle parts (#5734)

# About the pull request
Closes #5731

# Explain why it's good for the game
Bugs are bad

# Changelog
:cl:
fix: You can no longer remove vehicle parts from a vehicle at a distance
/:cl:

code/modules/vehicles/multitile/multitile_hardpoints.dm

@@ -149,7 +149,7 @@
 		hps += H
 
 	var/chosen_hp = tgui_input_list(usr, "Select a hardpoint to remove", "Hardpoint Removal", (hps + "Cancel"))
-	if(chosen_hp == "Cancel" || !chosen_hp)
+	if(chosen_hp == "Cancel" || !chosen_hp || !in_range(src, user))
 		return
 
 	var/obj/item/hardpoint/old = chosen_hp