Fix overriding non-open class outside module

Author: AliSoftware

WordPressEditor/WordPressEditor/Classes/Plugins/WordPressPlugin/Gutenberg/Gutenblock.swift

@@ -10,7 +10,4 @@ class Gutenblock: ParagraphProperty {
     required public init?(coder aDecoder: NSCoder){
         super.init(coder: aDecoder)
     }
-
-    override public class var supportsSecureCoding: Bool { true }
-
 }