Update 0000-shared-widget-state.md

text/0000-shared-widget-state.md

@@ -355,22 +355,11 @@ impl Focusable for State {
         widget::store::focus::is_focused(&self.id)
     }
 
+    /// Maybe we want to navigate on our own terms.
     pub fn focus_next() -> Message {
         widget::store::focus::focus_next()
     }
 
-    pub fn focus_prev() -> Message {
-        widget::store::focus::focus_prev()
-    }
-
-    pub fn focus_up() -> Message {
-        widget::store::focus::focus_up()
-    }
-
-    pub fn focus_down() -> Message {
-        widget::store::focus::focus_down()
-    }
-
     /// Set the `Id` stored in this state as the focused one.
     pub fn focus(&mut self) {
         widget::store::focus::focus(&self.id);