Mesons no longer show turfs on lavaland, but miners no longer need mesons to see minerals scanned by a mineral scanner through walls

code/modules/mining/minebot.dm

@@ -44,7 +44,6 @@
 	var/light_on = 0
 
 	var/datum/action/innate/minedrone/toggle_light/toggle_light_action
-	var/datum/action/innate/minedrone/toggle_meson_vision/toggle_meson_vision_action
 	var/datum/action/innate/minedrone/toggle_mode/toggle_mode_action
 	var/datum/action/innate/minedrone/dump_ore/dump_ore_action
 
@@ -52,8 +51,6 @@
 	..()
 	toggle_light_action = new()
 	toggle_light_action.Grant(src)
-	toggle_meson_vision_action = new()
-	toggle_meson_vision_action.Grant(src)
 	toggle_mode_action = new()
 	toggle_mode_action.Grant(src)
 	dump_ore_action = new()
@@ -189,23 +186,6 @@
 	user.light_on = !user.light_on
 	to_chat(user, "<span class='notice'>You toggle your light [user.light_on ? "on" : "off"].</span>")
 
-/datum/action/innate/minedrone/toggle_meson_vision
-	name = "Toggle Meson Vision"
-	button_icon_state = "meson"
-
-/datum/action/innate/minedrone/toggle_meson_vision/Activate()
-	var/mob/living/simple_animal/hostile/mining_drone/user = owner
-	if(user.sight & SEE_TURFS)
-		user.sight &= ~SEE_TURFS
-		user.lighting_alpha = LIGHTING_PLANE_ALPHA_VISIBLE
-	else
-		user.sight |= SEE_TURFS
-		user.lighting_alpha = LIGHTING_PLANE_ALPHA_INVISIBLE
-
-	user.sync_lighting_plane_alpha()
-
-	to_chat(user, "<span class='notice'>You toggle your meson vision [(user.sight & SEE_TURFS) ? "on" : "off"].</span>")
-
 /datum/action/innate/minedrone/toggle_mode
 	name = "Toggle Mode"
 	button_icon_state = "mech_cycle_equip_off"