Revert "12/21 modernizations from TG live"

code/modules/research/designs/machine_designs.dm

@@ -82,14 +82,6 @@
 	build_path = /obj/item/weapon/circuitboard/machine/teleporter_hub
 	category = list ("Teleportation Machinery")
 
-/datum/design/board/quantumpad
-	name = "Machine Design (Quantum Pad Board)"
-	desc = "The circuit board for a quantum telepad."
-	id = "quantumpad"
-	req_tech = list("programming" = 4, "bluespace" = 4, "plasmatech" = 3, "engineering" = 4)
-	build_path = /obj/item/weapon/circuitboard/machine/quantumpad
-	category = list ("Teleportation Machinery")
-
 /datum/design/board/telepad
 	name = "Machine Design (Telepad Board)"
 	desc = "The circuit board for a telescience telepad."
@@ -394,19 +386,3 @@
 	req_tech = list("programming" = 4, "biotech" = 3)
 	build_path = /obj/item/weapon/circuitboard/machine/plantgenes
 	category = list ("Misc. Machinery")
-
-/datum/design/board/ntnet_relay
-	name = "Machine Design (NTNet Relay Board)"
-	desc = "The circuit board for a wireless network relay."
-	id = "ntnet_relay"
-	req_tech = list("programming" = 2, "engineering" = 2, "bluespace" = 2)
-	build_path = /obj/item/weapon/circuitboard/machine/ntnet_relay
-	category = list("Subspace Telecomms")
-
-/datum/design/board/limbgrower
-	name = "Machine Design (Limb Grower Board)"
-	desc = "The circuit board for a limb grower."
-	id = "limbgrower"
-	req_tech = list("programming" = 3, "biotech" = 2)
-	build_path = /obj/item/weapon/circuitboard/machine/limbgrower
-	category = list("Medical Machinery")