remove unused

src/bin/experiment.rs

@@ -1,4 +1,4 @@
-use image_similarity::descriptors::{Descriptor, Median, DCT};
+use image_similarity::descriptors::{Descriptor, Median};
 use std::collections::HashMap;
 use std::fs;
 
@@ -30,6 +30,6 @@ fn main() {
     }
 
     //Serialize hashmap with MessagePack:
-    let serialized: Vec<u8> = rmp_serde::to_vec(&map).unwrap();
+    let _serialized: Vec<u8> = rmp_serde::to_vec(&map).unwrap();
     //fs::write("map.messagepack",&serialized).unwrap();
 }