Clean up a bunch of undefined arg runtimes

code/modules/mob/living/silicon/robot/robot.dm

@@ -874,7 +874,7 @@
 		if(DISCONNECT) //Tampering with the wires
 			to_chat(connected_ai, "<br><br><span class='notice'>NOTICE - Remote telemetry lost with [name].</span><br>")
 
-/mob/living/silicon/robot/canUseTopic(atom/movable/M, be_close = 0)
+/mob/living/silicon/robot/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
 	if(stat || lockcharge || low_power_mode)
 		return
 	if(be_close && !in_range(M, src))
@@ -1155,7 +1155,7 @@
 		return
 	. = ..(M, force, check_loc)
 
-/mob/living/silicon/robot/unbuckle_mob(mob/user)
+/mob/living/silicon/robot/unbuckle_mob(mob/user, force=FALSE)
 	if(iscarbon(user))
 		GET_COMPONENT(riding_datum, /datum/component/riding)
 		if(istype(riding_datum))