Refactor staff mode into a seperate crate and make copilot initialization wait for the staff mode flag to be flipped

crates/util/src/util.rs

@@ -17,17 +17,6 @@ pub use backtrace::Backtrace;
 use futures::Future;
 use rand::{seq::SliceRandom, Rng};
 
-#[derive(Debug, Default)]
-pub struct StaffMode(pub bool);
-
-impl std::ops::Deref for StaffMode {
-    type Target = bool;
-
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
 #[macro_export]
 macro_rules! debug_panic {
     ( $($fmt_arg:tt)* ) => {