Remove constant

Author: donadigo

src/Constants.vala

@@ -17,7 +17,6 @@
 
 namespace AppEditor.Constants {
     public const string APP_NAME = _("AppEditor");
-    public const string VERSION = "0.9.3";
     public const string SETTINGS_SCHEMA = "com.github.donadigo.appeditor";
     public const string EXEC_NAME = "com.github.donadigo.appeditor";
     public const string DESKTOP_NAME = "com.github.donadigo.appeditor.desktop";