Resolve luacheck findings

mods/ITEMS/mcl_bows/mod.conf

@@ -1,6 +1,6 @@
 name = mcl_bows
 author = Arcelmi
 description = This mod adds bows and arrows for MineClone 2.
-depends = controls, mcl_particles, mcl_enchanting, mcl_init, mcl_util, mcl_shields, mcl_fovapi, mcl_luck, vl_projectile
+depends = controls, mcl_particles, mcl_enchanting, mcl_init, mcl_util, mcl_shields, mcl_fovapi, mcl_luck, vl_projectile, mcl_explosions
 optional_depends = awards, mcl_achievements, mcl_core, mcl_mobitems, playerphysics, doc, doc_identifier, mesecons_button
 

mods/ITEMS/mcl_bows/rocket.lua

@@ -230,7 +230,7 @@ minetest.register_craftitem("mcl_bows:rocket", {
 		local yaw = math.atan2(dropdir.z, dropdir.x) + YAW_OFFSET
 		mcl_bows.shoot_arrow(itemstack:get_name(), shootpos, dropdir, yaw, nil, 19, 3)
 	end,
-	_on_collide_with_entity = function(self, pos, obj)
+	_on_collide_with_entity = function(self, _, obj)
 		if self._in_player == false then
 			pos = self.object:get_pos()
 			obj:punch(self.object, 1.0, {

mods/ITEMS/vl_projectile/init.lua

@@ -1,5 +1,5 @@
-local mod = {}
-vl_projectile = mod
+vl_projectile = {}
+local mod = vl_projectile
 
 local vl_physics_path = minetest.get_modpath("vl_physics")
 
@@ -256,7 +256,6 @@ end
 local function handle_entity_collision(self, entity_def, projectile_def, object)
 	local pos = self.object:get_pos()
 	local dir = vector.normalize(self.object:get_velocity())
-	local self_vl_projectile = self._vl_projectile
 
 	-- Check if this is allowed
 	local allow_punching = projectile_def.allow_punching or true