chore: remove unused module

src/track.rs

@@ -1,40 +0,0 @@
-/// Records if a change has occurred to its inner value
-pub struct Track<T> {
-    value: T,
-    changed: bool,
-}
-
-impl<T> Track<T> {
-    /// Create a new value where changes are tracked.
-    pub const fn new(value: T) -> Self {
-        Self {
-            value,
-            changed: true,
-        }
-    }
-
-    /// Gets the inner value.
-    pub fn get(&self) -> &T {
-        &self.value
-    }
-
-    /// Set a new value, and mark that it has changed.
-    pub fn set(&mut self, value: T) {
-        self.value = value;
-        self.changed = true;
-    }
-
-    /// Check if value has changed.
-    pub fn changed(&self) -> bool {
-        self.changed
-    }
-}
-
-impl<T> Default for Track<T>
-where
-    T: Default,
-{
-    fn default() -> Self {
-        Self::new(T::default())
-    }
-}