remove some debugging prints

This reverts commit 1375fee8.

src/cmd/extrinsics/transcode/decode.rs

@@ -153,11 +153,7 @@ impl<'a> Decoder<'a> {
         variant_type: &TypeDefVariant<PortableForm>,
         input: &mut &[u8],
     ) -> Result<Value> {
-        let i2 = input.clone();
         let discriminant = input.read_byte()?;
-        println!("type is {:?}", &variant_type.clone());
-        println!("input is {:?}", &i2);
-        println!("discriminant is {:?}", &discriminant);
         let variant = variant_type
             .variants()
             .get(discriminant as usize)