fix: refactors knn and distance functions

src/math/distance/mod.rs

@@ -1,9 +1 @@
-pub mod euclidian;
-
-pub trait Distance<T> {
-
-    fn distance_to(&self, other: &Self) -> f64;
-
-    fn distance(a: &Self, b: &T) -> f64;     
-
-}
+pub mod euclidian;