remove crossbeam-channel from proc-macro-srv-cli

Author: Shourya742

Cargo.lock

@@ -14,7 +14,6 @@ publish = false
 proc-macro-srv.workspace = true
 proc-macro-api.workspace = true
 postcard.workspace = true
-crossbeam-channel.workspace = true
 clap = {version = "4.5.42", default-features = false, features = ["std"]}
 
 [features]