fix(slimrpc): remove unused a2a_slimrpc import

Signed-off-by: Sam Betts <1769706+Tehsmash@users.noreply.github.com>

Author: Tehsmash

a2acli/src/lib.rs

@@ -7,8 +7,6 @@ use std::sync::Arc;
 use a2a::*;
 use a2a_client::auth::AuthInterceptor;
 use a2a_client::{A2AClient, A2AClientFactory, BoxStream};
-#[cfg(feature = "slimrpc")]
-use a2a_slimrpc;
 use clap::{Args, Parser, Subcommand, ValueEnum};
 use futures::StreamExt;
 use reqwest::{Client, RequestBuilder};