Makes the ops handling fee a percentage, removes supplier fee, ability to remove approved orders and bugfixes (#22350)

- qol: "Reduced the crate fee when making operation orders."
 - bugfix: "Fixed the wording in some of the operation programs."
 - bugfix: "Fixed the delivery app showing deliveries it shouldn't."
- bugfix: "The cargo control program now properly display status
messages."
- balance: "Supplier fee was set to 0 for all current suppliers,
eliminating the 20 credit charge per supplier."
- balance: "The operations order handling fee has been turned into a
percentage charge instead, and reduced to 5% by default instead of a
flat 20 credits."
- rscadd: "It is now possible to reject orders that have been approved
but not shipped or paid for."

code/modules/cargo/cargo_suppliers.dm

@@ -15,7 +15,7 @@
 	var/shuttle_time = 100
 
 	/// The additional price an order incurs for ordering a shuttle from this supplier.
-	var/shuttle_price = 20
+	var/shuttle_price = 0
 
 	/// Whether or not this supplier is available or not.
 	var/available = TRUE

code/modules/cargo/exports.dm

@@ -132,7 +132,7 @@ then the player gets the profit from selling his own wasted time.
 /datum/export/proc/total_printout(contr = 0, emag = 0)
 	if(!total_cost && !total_amount)
 		return ""
-	var/msg = "[total_cost]电: Received [total_amount]电 "
+	var/msg = "[total_cost]电: Received [total_amount] "
 	if(total_cost > 0)
 		msg = "+" + msg
 

code/modules/cargo/exports/large_objects.dm

@@ -11,7 +11,7 @@
 		. += " Thanks for participating in NanoTrasen Crates Recycling Program."
 
 /datum/export/large/crate/wooden
-	cost = 25
+	cost = 15
 	unit_name = "large wooden crate"
 	export_types = list(/obj/structure/closet/crate/large)
 	exclude_types = list()