massive burndown (#29894)

code/modules/mob/living/brain/MMI.dm

@@ -4,7 +4,6 @@
 	It can be installed into a cyborg shell, AI core, mech, spiderbot, or an Integrated Robotic Chassis' chest cavity."
 	icon = 'icons/obj/assemblies.dmi'
 	icon_state = "mmi_empty"
-	w_class = WEIGHT_CLASS_NORMAL
 	origin_tech = "biotech=2;programming=3;engineering=2"
 
 	//Revised. Brainmob is now contained directly within object of transfer. MMI in this case.

code/modules/mob/living/brain/robotic_brain.dm

@@ -6,7 +6,6 @@
 	var/blank_icon = "boris_blank"
 	var/searching_icon = "boris_recharging"
 	var/occupied_icon = "boris"
-	w_class = WEIGHT_CLASS_NORMAL
 	origin_tech = "biotech=3;programming=3;plasmatech=2"
 	req_access = list(ACCESS_ROBOTICS)
 	mecha = null//This does not appear to be used outside of reference in mecha.dm.