Revert "Bump to 2 5 8 (#141)"

This reverts commit 240c1532ee.

data/magic.mse-game/set_fields

@@ -443,6 +443,10 @@ set field:
 	name: card notes clauses split
 	description: Regex used to split the card notes in the Card Notes Clauses statistics category. Default is " *(\.|\n|;|,|(?=!)) *" which splits at each semicolon, each dot, each exclamation mark and each comma.
 	default: " *(\\.|\\n|;|,|(?=!)) *"
+set field:
+	type: choice
+	name: global_variable_average_opening_hand
+	script: global_variable_average_opening_hand_statistic()
 
 
 set field:
@@ -533,6 +537,8 @@ set field:
 ############################# Default style
 
 default set style:
+	global_variable_average_opening_hand:
+		visible:						false
 	title:
 		padding left:					2
 		font: