Add note removal

crates/ely_app/src/shell/notes.rs

@@ -0,0 +1,14 @@
+use ely_domain::NoteId;
+use gpui::Context;
+
+use super::{ElyShell, ShellState};
+
+impl ElyShell {
+    pub(super) fn remove_note_entry(&mut self, note_id: &NoteId, cx: &mut Context<Self>) {
+        if let ShellState::Ready(core) = &mut self.state
+            && core.remove_note_entry(note_id).is_ok()
+        {
+            cx.notify();
+        }
+    }
+}