⚰️(frontend) remove dead code

Traces of debugging, never been useful.

src/frontend/src/features/notifications/components/Toast.tsx

@@ -48,7 +48,7 @@ export function Toast({ state, ...props }: ToastProps) {
   return (
     <StyledToastContainer {...toastProps} ref={ref}>
       <StyledToast>
-        <div {...contentProps}>{props.toast.content?.message} machine a</div>
+        <div {...contentProps}>{props.toast.content?.message}</div>
         <Button square size="sm" invisible {...closeButtonProps}>
           <RiCloseLine color="white" />
         </Button>