Removes dna lock from mechs (#9825)

* Removes DNA locking

* Update mecha_topic.dm

code/game/mecha/combat/honker.dm

@@ -37,7 +37,6 @@
 						<b>HONK pressure: </b>[cabin_pressure>WARNING_HIGH_PRESSURE ? "<font color='red'>[cabin_pressure]</font>": cabin_pressure]kPa<br>
 						<b>HONK temperature: </b> [return_temperature()]&deg;K|[return_temperature() - T0C]&deg;C<br>
 						<b>Lights: </b>[lights?"on":"off"]<br>
-						[dna_lock?"<b>DNA-locked:</b><br> <span style='font-size:10px;letter-spacing:-1px;'>[dna_lock]</span> \[<a href='?src=[REF(src)];reset_dna=1'>Reset</a>\]<br>":null]
 					"}
 	return output
 

code/game/mecha/equipment/tools/work_tools.dm

@@ -525,7 +525,6 @@
 		E.detach()
 		E.attach(N)
 		M.equipment -= E
-	N.dna_lock = M.dna_lock
 	N.maint_access = M.maint_access
 	N.strafe = M.strafe
 	N.obj_integrity = M.obj_integrity //This is not a repair tool

code/game/mecha/mecha.dm

@@ -36,7 +36,6 @@
 	var/last_message = 0
 	var/add_req_access = 1
 	var/maint_access = 0
-	var/dna_lock //dna-locking the mech
 	var/list/proc_res = list() //stores proc owners, like proc_res["functionname"] = owner reference
 	var/datum/effect_system/spark_spread/spark_system = new
 	var/lights = FALSE
@@ -456,7 +455,6 @@
 	..()
 	playsound(src, "sparks", 100, 1)
 	to_chat(user, "<span class='warning'>You short out the mech suit's internal controls.</span>")
-	dna_lock = null
 	equipment_disabled = TRUE
 	log_message("System emagged detected", LOG_MECHA, color="red")
 	addtimer(CALLBACK(src, TYPE_PROC_REF(/obj/mecha, restore_equipment)), 15 SECONDS, TIMER_UNIQUE | TIMER_OVERRIDE)
@@ -810,7 +808,7 @@
 			if(AI.stat || !AI.client)
 				to_chat(user, "<span class='warning'>[AI.name] is currently unresponsive, and cannot be uploaded.</span>")
 				return
-			if(occupant || dna_lock) //Normal AIs cannot steal mechs!
+			if(occupant) //Normal AIs cannot steal mechs!
 				to_chat(user, "<span class='warning'>Access denied. [name] is [occupant ? "currently occupied" : "secured with a DNA lock"].</span>")
 				return
 			AI.control_disabled = FALSE
@@ -913,16 +911,6 @@
 		to_chat(usr, "<span class='warning'>The [name] is already occupied!</span>")
 		log_message("Permission denied (Occupied).", LOG_MECHA)
 		return
-	if(dna_lock)
-		var/passed = FALSE
-		if(user.has_dna())
-			var/mob/living/carbon/C = user
-			if(C.dna.unique_enzymes==dna_lock)
-				passed = TRUE
-		if (!passed)
-			to_chat(user, "<span class='warning'>Access denied. [name] is secured with a DNA lock.</span>")
-			log_message("Permission denied (DNA LOCK).", LOG_MECHA)
-			return
 	if(!operation_allowed(user))
 		to_chat(user, "<span class='warning'>Access denied. Insufficient operation keycodes.</span>")
 		log_message("Permission denied (No keycode).", LOG_MECHA)
@@ -981,10 +969,6 @@
 	else if(occupant)
 		to_chat(user, "<span class='warning'>Occupant detected!</span>")
 		return FALSE
-	else if(dna_lock && (!mmi_as_oc.brainmob.stored_dna || (dna_lock != mmi_as_oc.brainmob.stored_dna.unique_enzymes)))
-		to_chat(user, "<span class='warning'>Access denied. [name] is secured with a DNA lock.</span>")
-		return FALSE
-
 	visible_message("<span class='notice'>[user] starts to insert an MMI into [name].</span>")
 
 	if(do_after(user, 40, target = src))

code/game/mecha/mecha_topic.dm

@@ -72,8 +72,7 @@
 		<b>Air tank pressure: </b>[internal_tank?"[tank_pressure]kPa":"N/A"]<br>
 		<b>Air tank temperature: </b>[internal_tank?"[tank_temperature]&deg;K|[tank_temperature - T0C]&deg;C":"N/A"]<br>
 		<b>Cabin pressure: </b>[internal_tank?"[cabin_pressure>WARNING_HIGH_PRESSURE ? "<span class='danger'>[cabin_pressure]</span>": cabin_pressure]kPa":"N/A"]<br>
-		<b>Cabin temperature: </b> [internal_tank?"[return_temperature()]&deg;K|[return_temperature() - T0C]&deg;C":"N/A"]<br>
-		[dna_lock?"<b>DNA-locked:</b><br> <span style='font-size:10px;letter-spacing:-1px;'>[dna_lock]</span> \[<a href='?src=[REF(src)];reset_dna=1'>Reset</a>\]<br>":""]<br>"}
+		<b>Cabin temperature: </b> [internal_tank?"[return_temperature()]&deg;K|[return_temperature() - T0C]&deg;C":"N/A"]<br>"}
 	. += "[get_actions()]<br>"
 
 ///Returns HTML for mech actions. Ideally, this proc would be empty for the base mecha. Segmented for easy refactoring.
@@ -139,7 +138,6 @@
 			<a href='?src=[REF(src)];toggle_id_upload=1'><span id='t_id_upload'>[add_req_access?"L":"Unl"]ock ID upload panel</span></a><br>
 			<a href='?src=[REF(src)];toggle_maint_access=1'><span id='t_maint_access'>[maint_access?"Forbid":"Permit"] maintenance protocols</span></a><br>
 			[internal_tank?"<a href='?src=[REF(src)];toggle_port_connection=1'><span id='t_port_connection'>[internal_tank.connected_port?"Disconnect from":"Connect to"] gas port</span></a><br>":""]
-			<a href='?src=[REF(src)];dna_lock=1'>DNA-lock</a><br>
 			<a href='?src=[REF(src)];change_name=1'>Change exosuit name</a>
 		</div>
 	</div>"}
@@ -389,23 +387,6 @@
 		send_byjax(occupant,"exosuit.browser","t_port_connection","[internal_tank.connected_port?"Disconnect from":"Connect to"] gas port")
 		return
 
-	//Turns on the DNA lock
-	if(href_list["dna_lock"])
-		if(obj_flags & EMAGGED)
-			occupant_message("The control console lights up red, failing to bind to your DNA.")
-			return
-		if(!iscarbon(occupant) || !occupant.dna)
-			occupant_message("The controls console flashes brightly, binding to your DNA.")
-			return
-		dna_lock = occupant.dna.unique_enzymes
-		occupant_message("The controls console flashes brightly, binding to your DNA.")
-		return
-
-	//Resets the DNA lock
-	if(href_list["reset_dna"])
-		dna_lock = null
-		return
-
 	//Repairs internal damage
 	if(href_list["repair_int_control_lost"])
 		occupant_message("Recalibrating coordination system.")