fixing warnings

client/src/tui/terminal/core.rs

@@ -4,7 +4,6 @@ use crossterm::{
     execute,
     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
     cursor::{SetCursorStyle, EnableBlinking, Show, MoveTo},
-    event::Event,
 };
 use ratatui::{backend::CrosstermBackend, Terminal};
 use std::io::{self, stdout, Write};