granularizes a handfully of supply packs (#3044)

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## About The Pull Request

granularizes a handful of tool and machine supply packs!
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documented or this can delay review and even discourage maintainers from
merging your PR! -->

## Why It's Good For The Game
Not everyone needs or can afford two pairs insulated gloves!
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benefit the game. If you can't justify it in words, it might not be
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## Changelog

:cl:
tweak: granularizes a handful of tool and machine supply packs!
/:cl:

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code/modules/cargo/packs/machinery.dm

@@ -66,25 +66,22 @@
 /datum/supply_pack/machinery/thermomachine
 	name = "Thermomachine Crate"
 	desc = "Freeze or heat your air."
-	cost = 2000
-	contains = list(/obj/item/circuitboard/machine/thermomachine,
-					/obj/item/circuitboard/machine/thermomachine)
+	cost = 1000
+	contains = list(/obj/item/circuitboard/machine/thermomachine)
 	crate_name = "thermomachine crate"
 
 /datum/supply_pack/machinery/portapump
 	name = "Portable Air Pump Crate"
-	desc = "Want to drain a room of air without losing a drop? We've got you covered. Contains two portable air pumps."
-	cost = 3000
-	contains = list(/obj/machinery/portable_atmospherics/pump,
-					/obj/machinery/portable_atmospherics/pump)
+	desc = "Want to drain a room of air without losing a drop? We've got you covered. Contains a portable air pump."
+	cost = 1500
+	contains = list(/obj/machinery/portable_atmospherics/pump)
 	crate_name = "portable air pump crate"
 
 /datum/supply_pack/machinery/portascrubber
 	name = "Portable Scrubber Crate"
-	desc = "Clean up that pesky plasma leak with your very own set of two portable scrubbers."
-	cost = 3000
-	contains = list(/obj/machinery/portable_atmospherics/scrubber,
-					/obj/machinery/portable_atmospherics/scrubber)
+	desc = "Clean up that pesky plasma leak with your very own portable scrubber."
+	cost = 1500
+	contains = list(/obj/machinery/portable_atmospherics/scrubber)
 	crate_name = "portable scrubber crate"
 
 /datum/supply_pack/machinery/hugescrubber
@@ -155,11 +152,9 @@
 
 /datum/supply_pack/machinery/wall_shield_gen
 	name = "Shield Generator Crate"
-	desc = "These four shield wall generators are guaranteed to keep any unwanted lifeforms on the outside, where they belong! Not rated for containing singularities or tesla balls."
-	cost = 2000
+	desc = "These two shield wall generators are guaranteed to keep any unwanted lifeforms on the outside, where they belong! Not rated for containing singularities or tesla balls."
+	cost = 1000
 	contains = list(/obj/machinery/power/shieldwallgen,
-					/obj/machinery/power/shieldwallgen,
-					/obj/machinery/power/shieldwallgen,
 					/obj/machinery/power/shieldwallgen)
 	crate_name = "shield generators crate"
 	crate_type = /obj/structure/closet/crate/secure/plasma

code/modules/cargo/packs/spacesuit_armor.dm

@@ -34,8 +34,7 @@
 	name = "Medical Hardsuit Crate"
 	desc = "One medical hardsuit, resistant to diseases and useful for retrieving patients in space."
 	cost = 1500
-	contains = list(/obj/item/clothing/suit/space/hardsuit/medical,
-					/obj/item/clothing/suit/space/hardsuit/medical)
+	contains = list(/obj/item/clothing/suit/space/hardsuit/medical)
 	crate_name = "medical hardsuit crate"
 	crate_type = /obj/structure/closet/crate/medical
 

code/modules/cargo/packs/tools.dm

@@ -67,14 +67,11 @@
 	)
 	crate_name = "basic mining crate"
 
-/datum/supply_pack/tools/jackhammers
+/datum/supply_pack/tools/jackhammer
 	name = "Jackhammer Crate"
-	desc = "Contains two jackhammers, ideal for breaking rocks and breaking hull."
-	cost = 3500
-	contains = list(
-		/obj/item/pickaxe/drill/jackhammer,
-		/obj/item/pickaxe/drill/jackhammer,
-	)
+	desc = "Contains a jackhammer, ideal for breaking rocks and breaking hull."
+	cost = 1750
+	contains = list(/obj/item/pickaxe/drill/jackhammer)
 	crate_name = "jackhammer crate"
 
 
@@ -87,10 +84,9 @@
 
 /datum/supply_pack/tools/insulated_gloves
 	name = "Insulated Gloves Crate"
-	desc = "The backbone of modern society. Barely ever ordered for actual engineering. Contains two insulated gloves."
-	cost = 1500
-	contains = list(/obj/item/clothing/gloves/color/yellow,
-					/obj/item/clothing/gloves/color/yellow)
+	desc = "The backbone of modern society. Barely ever ordered for actual engineering. Contains a pair of insulated gloves."
+	cost = 750
+	contains = list(/obj/item/clothing/gloves/color/yellow)
 	crate_name = "insulated gloves crate"
 
 /datum/supply_pack/tools/jetpack
@@ -101,13 +97,12 @@
 	crate_name = "jetpack crate"
 	crate_type = /obj/structure/closet/crate/secure/plasma
 
-/datum/supply_pack/tools/transfer_valves
+/datum/supply_pack/tools/transfer_valve
 	name = "Tank Transfer Valves Crate"
-	desc = "The key ingredient for making a lot of people very angry very fast. Contains two tank transfer valves."
-	cost = 6000
-	contains = list(/obj/item/transfer_valve,
-					/obj/item/transfer_valve)
-	crate_name = "tank transfer valves crate"
+	desc = "The key ingredient for making a lot of people very angry very fast. Contains a tank transfer valve."
+	cost = 3000
+	contains = list(/obj/item/transfer_valve)
+	crate_name = "tank transfer valve crate"
 	crate_type = /obj/structure/closet/crate/secure/science
 
 /*