BUFF: Mining Grenade launcher (#25204)

* BUFF: Mining Grenade launcher

* Update weapons.dm

code/game/mecha/equipment/weapons/weapons.dm

@@ -501,13 +501,12 @@
 
 /obj/item/mecha_parts/mecha_equipment/weapon/energy/mining_grenade
 	name = "\improper \"Little boy\" Mining Grenade Launcher"
-	icon_state = "mecha_missilerack_six"
+	icon_state = "mining_launcher"
 	origin_tech = "combat=5;materials=4;engineering=4"
 	projectile = /obj/item/projectile/bullet/reusable/mining_bomb/mecha
 	fire_sound = 'sound/effects/bang.ogg'
-	energy_drain = 350 // cost A LOT, but powerful miner tool
+	energy_drain = 150 // cost a lot, but powerful miner tool
 	equip_cooldown = 2 SECONDS
-	harmful = TRUE
 
 /obj/item/mecha_parts/mecha_equipment/weapon/energy/mining_grenade/action()
 	if(!lavaland_equipment_pressure_check(get_turf(chassis)))

code/modules/mining/machine_vending.dm

@@ -71,7 +71,7 @@
 		EQUIPMENT("Diamond Pickaxe", /obj/item/pickaxe/diamond, 2000),
 		EQUIPMENT("Kinetic Accelerator", /obj/item/gun/energy/kinetic_accelerator, 750),
 		EQUIPMENT("Kinetic Crusher", /obj/item/kinetic_crusher, 750),
-		EQUIPMENT("Mecha Grenade Launcher", /obj/item/mecha_parts/mecha_equipment/weapon/energy/mining_grenade, 3000),
+		EQUIPMENT("Mecha Grenade Launcher", /obj/item/mecha_parts/mecha_equipment/weapon/energy/mining_grenade, 2500),
 		EQUIPMENT("Resonator", /obj/item/resonator, 800),
 		EQUIPMENT("Silver Pickaxe", /obj/item/pickaxe/silver, 1000),
 		EQUIPMENT("Super Resonator", /obj/item/resonator/upgraded, 2500),