trim unused dependencies in member crates

Signed-off-by: Jason Volk <jason@zemos.net>

src/admin/Cargo.toml

@@ -29,15 +29,10 @@ release_max_log_level = [
 clap.workspace = true
 conduit-api.workspace = true
 conduit-core.workspace = true
-conduit-database.workspace = true
 conduit-service.workspace = true
-futures-util.workspace = true
 log.workspace = true
-loole.workspace = true
-regex.workspace = true
 ruma.workspace = true
 serde_json.workspace = true
-serde.workspace = true
 serde_yaml.workspace = true
 tokio.workspace = true
 tracing-subscriber.workspace = true