misc: clippy

Signed-off-by: Anthony Griffon <[email protected]>

Author: Miaxos

app/roster/src/application/server/cmd/hello.rs

@@ -1,7 +1,4 @@
-use std::collections::HashMap;
-
 use bytes::Bytes;
-use bytestring::ByteString;
 use indexmap::IndexMap;
 
 use super::CommandExecution;