Remove undeclared writing variable

mods/beds/spawns.lua

@@ -41,13 +41,11 @@ function beds.save_spawns()
 	if not beds.spawn then
 		return
 	end
-	writing = true
 	local output = io.open(org_file, "w")
 	for i, v in pairs(beds.spawn) do
 		output:write(v.x.." "..v.y.." "..v.z.." "..i.."\n")
 	end
 	io.close(output)
-	writing = false
 end
 
 function beds.set_spawns()