repl: Remove unused `repl_panel::ToggleFocus` action (#14983)

Marshall Bowers created

This PR removes the `repl_panel::ToggleFocus` action, as we don't need
it anymore.

Release Notes:

- N/A

Change summary

crates/repl/src/repl_sessions_ui.rs | 1 -
1 file changed, 1 deletion(-)

Detailed changes