Better wait for kill signal

src-tauri/tauri-plugin-plugin-runtime/src/manager.rs

@@ -1,4 +1,3 @@
-use std::time::Duration;
 use log::{debug, info};
 use tauri::{AppHandle, Manager, Runtime};
 use tokio::sync::watch::Sender;
@@ -33,8 +32,6 @@ impl PluginManager {
 
     pub async fn cleanup(&mut self) {
         self.kill_tx.send_replace(true);
-        // Give it a sec to get the tx and kill
-        tokio::time::sleep(Duration::from_millis(500)).await;
     }
 
     pub async fn run_import(&mut self, data: &str) -> Result<HookResponse, String> {