im-util: Remove VectorExt

It doesn't match the upcoming changes to VectorSubscriber.

eyeball-im-util/src/lib.rs

@@ -3,5 +3,3 @@
 //! The primary entry point of this library is [`VectorExt`].
 
 pub mod vector;
-
-pub use vector::VectorExt;

eyeball-im-util/src/vector.rs

@@ -1,51 +1,5 @@
 //! Utilities around [`ObservableVector`].
 
-use eyeball_im::{ObservableVector, Vector, VectorSubscriber};
-
 mod filter;
 
 pub use self::filter::{Filter, FilterMap};
-
-/// Extension trait for [`ObservableVector`].
-pub trait VectorExt<T>
-where
-    T: Clone + Send + Sync + 'static,
-{
-    /// Obtain a new subscriber that filters items by the given filter function.
-    ///
-    /// Returns a filtered version of the current vector, and a subscriber to
-    /// get updates through.
-    fn subscribe_filter<F>(&self, f: F) -> (Vector<T>, Filter<VectorSubscriber<T>, F>)
-    where
-        F: Fn(&T) -> bool;
-
-    /// Obtain a new subscriber that filters and maps items with the given
-    /// function.
-    ///
-    /// Returns a filtered + mapped version of the current vector, and a
-    /// subscriber to get updates through.
-    fn subscribe_filter_map<U, F>(&self, f: F) -> (Vector<U>, FilterMap<VectorSubscriber<T>, F>)
-    where
-        U: Clone,
-        F: Fn(T) -> Option<U>;
-}
-
-impl<T> VectorExt<T> for ObservableVector<T>
-where
-    T: Clone + Send + Sync + 'static,
-{
-    fn subscribe_filter<F>(&self, f: F) -> (Vector<T>, Filter<VectorSubscriber<T>, F>)
-    where
-        F: Fn(&T) -> bool,
-    {
-        Filter::new((*self).clone(), self.subscribe(), f)
-    }
-
-    fn subscribe_filter_map<U, F>(&self, f: F) -> (Vector<U>, FilterMap<VectorSubscriber<T>, F>)
-    where
-        U: Clone,
-        F: Fn(T) -> Option<U>,
-    {
-        FilterMap::new((*self).clone(), self.subscribe(), f)
-    }
-}