Removes ID computer parts (Removes computer hardware) (#71320)

## About The Pull Request

Removes the last computer part in the game: ID parts
Because this is removed, I also removed all computer hardware in the
game, and removed mentions of it in the game.
There is still 'hardware', as in Computer, Tablet, or Laptop.

Computers now all hold one ID slot by default, the only time a second ID
was needed was to use the access of both at once, and for the ID
modification application. This was now replaced with a new UI that only
has one tab, one ID slot:


https://user-images.githubusercontent.com/53777086/202801939-151b783f-75c8-46bf-a6c5-1b57b0d0da8e.mp4

## Why It's Good For The Game

Computer hardware is finally dead 🦀 

## Changelog

🆑
balance: All modular computers now only have one ID slot, and cannot be
upgraded.
qol: The HoP's access application now only has one app, logging in will
directly modify the ID that's in it, making it less confusing to swap
back and forth.
/🆑

code/modules/modular_computers/computers/item/processor.dm

@@ -1,5 +1,5 @@
 // Held by /obj/machinery/modular_computer to reduce amount of copy-pasted code.
-//TODO: REFACTOR THIS SPAGHETTI CODE, MAKE IT A COMPUTER_HARDWARE COMPONENT OR REMOVE IT
+//TODO: REFACTOR THIS SPAGHETTI CODE
 /obj/item/modular_computer/processor
 	name = "processing unit"
 	desc = "An advanced computer." //modular PCs examine us
@@ -8,7 +8,6 @@
 	icon_state_unpowered = null
 	icon_state_menu = null
 	hardware_flag = 0
-	max_bays = 4
 
 	///The modular computer MACHINE that hosts us.
 	var/obj/machinery/modular_computer/machinery_computer
@@ -27,7 +26,6 @@
 	machinery_computer.cpu = src
 	internal_cell = machinery_computer.internal_cell
 	hardware_flag = machinery_computer.hardware_flag
-	max_hardware_size = machinery_computer.max_hardware_size
 	steel_sheet_cost = machinery_computer.steel_sheet_cost
 	max_idle_programs = machinery_computer.max_idle_programs
 	update_integrity(machinery_computer.get_integrity())