Revert "Message Dialog: make all option rows have the same height"

[ci skip]

This reverts commit 0089357. It wasn't suitable for
all usecases, and it's impossible to make it a dialog option.

Fixes #2628

data/gui/window/wml_message.cfg

@@ -251,7 +251,6 @@ where calculated_width = {__GUI_IMAGE_WIDTH}
 				[toggle_panel]
 					definition = "wml_message"
 
-					linked_group = "options"
 					return_value_id = "ok"
 					[grid]
 
@@ -480,11 +479,6 @@ where calculated_width = {__GUI_IMAGE_WIDTH}
 			fixed_width = true
 		[/linked_group]
 
-		[linked_group]
-			id = "options"
-			fixed_height = true
-		[/linked_group]
-
 		[tooltip]
 			id = "tooltip"
 		[/tooltip]
@@ -526,7 +520,7 @@ where calculated_width = {__GUI_IMAGE_WIDTH}
 												[/spacer]
 
 											[/column]
-
+											
 											{_GUI_WML_MESSAGE_CONTENT}
 
 											[column]
@@ -598,11 +592,6 @@ if(gamemap_width - ({__GUI_IMAGE_WIDTH}) > {MAX_TEXT_WIDTH}
 			fixed_width = true
 		[/linked_group]
 
-		[linked_group]
-			id = "options"
-			fixed_height = true
-		[/linked_group]
-
 		[tooltip]
 			id = "tooltip"
 		[/tooltip]
@@ -726,11 +715,6 @@ if(gamemap_width - (10 + ({__GUI_IMAGE_WIDTH})) > {MAX_TEXT_WIDTH}
 			fixed_width = true
 		[/linked_group]
 
-		[linked_group]
-			id = "options"
-			fixed_height = true
-		[/linked_group]
-
 		[tooltip]
 			id = "tooltip"
 		[/tooltip]
@@ -772,7 +756,7 @@ if(gamemap_width - (10 + ({__GUI_IMAGE_WIDTH})) > {MAX_TEXT_WIDTH}
 												[/spacer]
 
 											[/column]
-
+											
 											{_GUI_WML_MESSAGE_CONTENT}
 
 											[column]