Changes required to enable for maintenance protocols

All combat mechs that are special get their internals_access increased so the pilots of the deathsquad / nuke team can fix up their mechs without having to steal a robotics ID. Also removes engineering from being able to access mech internals, seems weird to have if only robotics is allowed to handle mechs, probably remnant of engineering robotics?

code/game/gamemodes/clown_ops/clown_weapons.dm

@@ -265,6 +265,7 @@
 	armor = list("melee" = 40, "bullet" = 40, "laser" = 50, "energy" = 35, "bomb" = 20, "bio" = 0, "rad" = 0, "fire" = 100, "acid" = 100)
 	max_temperature = 35000
 	operation_req_access = list(ACCESS_SYNDICATE)
+	internals_req_access = list(ACCESS_SYNDICATE)
 	wreckage = /obj/structure/mecha_wreckage/honker/dark
 	max_equip = 3
 	spawn_tracked = FALSE

code/game/mecha/combat/gygax.dm

@@ -27,6 +27,7 @@
 	max_temperature = 35000
 	leg_overload_coeff = 100
 	operation_req_access = list(ACCESS_SYNDICATE)
+	internals_req_access = list(ACCESS_SYNDICATE)
 	wreckage = /obj/structure/mecha_wreckage/gygax/dark
 	max_equip = 4
 	spawn_tracked = FALSE

code/game/mecha/combat/honker.dm

@@ -10,6 +10,7 @@
 	max_temperature = 25000
 	infra_luminosity = 5
 	operation_req_access = list(ACCESS_THEATRE)
+	internals_req_access = list(ACCESS_THEATRE, ACCESS_ROBOTICS)
 	wreckage = /obj/structure/mecha_wreckage/honker
 	add_req_access = 0
 	max_equip = 3

code/game/mecha/combat/marauder.dm

@@ -10,6 +10,7 @@
 	resistance_flags = LAVA_PROOF | FIRE_PROOF | ACID_PROOF
 	infra_luminosity = 3
 	operation_req_access = list(ACCESS_CENT_SPECOPS)
+	internals_req_access = list(ACCESS_CENT_SPECOPS, ACCESS_ROBOTICS)
 	wreckage = /obj/structure/mecha_wreckage/marauder
 	add_req_access = 0
 	internal_damage_threshold = 25
@@ -46,6 +47,7 @@
 	name = "\improper Seraph"
 	icon_state = "seraph"
 	operation_req_access = list(ACCESS_CENT_SPECOPS)
+	internals_req_access = list(ACCESS_CENT_SPECOPS, ACCESS_ROBOTICS)
 	step_in = 3
 	max_integrity = 550
 	wreckage = /obj/structure/mecha_wreckage/seraph
@@ -72,6 +74,7 @@
 	name = "\improper Mauler"
 	icon_state = "mauler"
 	operation_req_access = list(ACCESS_SYNDICATE)
+	internals_req_access = list(ACCESS_SYNDICATE)
 	wreckage = /obj/structure/mecha_wreckage/mauler
 	max_equip = 5
 

code/game/mecha/combat/neovgre.dm

@@ -12,6 +12,8 @@
 	layer = ABOVE_MOB_LAYER
 	breach_time = 100 //ten seconds till all goes to shit
 	recharge_rate = 100
+	internals_req_access = list()
+	add_req_access = 0
 	wreckage = /obj/structure/mecha_wreckage/durand/neovgre
 	spawn_tracked = FALSE
 

code/game/mecha/combat/reticence.dm

@@ -10,6 +10,7 @@
 	max_temperature = 15000
 	wreckage = /obj/structure/mecha_wreckage/reticence
 	operation_req_access = list(ACCESS_THEATRE)
+	internals_req_access = list(ACCESS_THEATRE, ACCESS_ROBOTICS)
 	add_req_access = 0
 	internal_damage_threshold = 25
 	max_equip = 2

code/game/mecha/mecha.dm

@@ -68,7 +68,7 @@
 	var/internal_damage = 0 //contains bitflags
 
 	var/list/operation_req_access = list()//required access level for mecha operation
-	var/list/internals_req_access = list(ACCESS_ENGINE,ACCESS_ROBOTICS)//REQUIRED ACCESS LEVEL TO OPEN CELL COMPARTMENT
+	var/list/internals_req_access = list(ACCESS_ROBOTICS)//REQUIRED ACCESS LEVEL TO OPEN CELL COMPARTMENT
 
 	var/wreckage