Kill Ancient Goto Statements (#21781)

I had a brief discussion about Goto statements, then on a whim checked
to see if we had any. We had some Gotos that are legally old enough to
apply for a learner's permit in my state. I was bored so I decided to
put them out of their misery.

code/game/objects/items/devices/radio/radio.dm

@@ -556,7 +556,6 @@ var/global/list/default_interrogation_channels = list(
 		else
 			user.show_message(SPAN_NOTICE("\The [src] can no longer be modified or attached!"))
 		updateDialog()
-			//Foreach goto(83)
 		add_fingerprint(user)
 		return
 	else return

code/game/objects/structures/stool_bed_chair_nest/bed.dm

@@ -609,18 +609,16 @@
 
 	if(use_check_and_message(usr))
 		return
-	set_rate:
-		var/amount = tgui_input_number(usr, "Set the IV drip's transfer rate.", "IV Drip", iv_transfer_rate, iv_transfer_rate_upperlimit, iv_transfer_rate_lowerlimit, round_value = FALSE)
-		if(!amount)
-			return
-		if ((0.001 > amount || amount > 4) && amount != 0)
-			to_chat(usr, SPAN_WARNING("Entered value must be between 0.001 and 4."))
-			goto set_rate
-		if (iv_transfer_rate == 0)
-			iv_transfer_rate = REM
-			return
-		iv_transfer_rate = amount
-		to_chat(usr, SPAN_NOTICE("Transfer rate set to [src.iv_transfer_rate] u/sec."))
+
+	iv_transfer_rate = tgui_input_number( \
+		usr, \
+		"Set the IV drip's transfer rate between [iv_transfer_rate_lowerlimit] and [iv_transfer_rate_upperlimit].", \
+		"IV Drip", \
+		iv_transfer_rate, \
+		iv_transfer_rate_upperlimit, \
+		iv_transfer_rate_lowerlimit, \
+		round_value = FALSE)
+	to_chat(usr, SPAN_NOTICE("Transfer rate set to [src.iv_transfer_rate] u/sec."))
 
 /obj/structure/bed/roller/Move()
 	. = ..()