Revert "route group dialog grabs focus when shown"

Unnecessary change.

This reverts commit fe0cde3781.

gtk2_ardour/route_group_dialog.cc

@@ -242,10 +242,3 @@ RouteGroupDialog::unique_name (std::string const name) const
 
 	return (i == route_groups.end ());
 }
-
-void
-RouteGroupDialog::on_map ()
-{
-	ArdourDialog::on_map ();
-	_name.grab_focus ();
-}

gtk2_ardour/route_group_dialog.h

@@ -37,8 +37,6 @@ public:
 	ARDOUR::RouteGroup* group() const { return _group; }
 	bool name_check () const;
 
-	void on_map ();
-
 private:
 	ARDOUR::RouteGroup* _group;
 	std::string _initial_name;