Removes tech levels from high risk items (#26725)

code/game/objects/items/weapons/defib.dm

@@ -245,8 +245,9 @@
 	hardened = TRUE // EMP-proof (on the component), but not emag-proof.
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | ACID_PROOF // Objective item, better not have it destroyed.
 	heart_attack_probability = 10
+	origin_tech = null
 	/// To prevent spam from the emagging message on the advanced defibrillator.
-	var/next_emp_message 
+	var/next_emp_message
 
 /obj/item/defibrillator/compact/advanced/examine(mob/user)
 	. = ..()

code/game/objects/items/weapons/knuckledusters.dm

@@ -65,7 +65,7 @@
 	icon_state = "knuckleduster_nt"
 	force = 10
 	throwforce = 5
-	origin_tech = "combat=3"
+	origin_tech = null
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | ACID_PROOF // Steal objectives shouldnt be easy to destroy.
 	materials = list(MAT_GOLD = 500, MAT_TITANIUM = 200, MAT_PLASMA = 200)
 	trauma = 10

code/game/objects/items/weapons/melee/melee_misc.dm

@@ -34,7 +34,7 @@
 	w_class = WEIGHT_CLASS_BULKY
 	armour_penetration_percentage = 75
 	sharp = TRUE
-	origin_tech = "combat=5"
+	origin_tech = null
 	attack_verb = list("lunged at", "stabbed")
 	hitsound = 'sound/weapons/rapierhit.ogg'
 	materials = list(MAT_METAL = 1000)

code/game/objects/items/weapons/teleportation.dm

@@ -17,7 +17,7 @@
 	throw_speed = 3
 	throw_range = 5
 	materials = list(MAT_METAL=10000)
-	origin_tech = "magnets=3;bluespace=4"
+	origin_tech = null
 	armor = list(MELEE = 0, BULLET = 0, LASER = 0, ENERGY = 0, BOMB = 30, RAD = 0, FIRE = 100, ACID = 100)
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | ACID_PROOF
 	var/icon_state_inactive = "hand_tele_inactive"