trim unused dependencies in member crates

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

src/router/Cargo.toml

@@ -54,7 +54,6 @@ axum.workspace = true
 conduit-admin.workspace = true
 conduit-api.workspace = true
 conduit-core.workspace = true
-conduit-database.workspace = true
 conduit-service.workspace = true
 log.workspace = true
 tokio.workspace = true
@@ -65,7 +64,6 @@ http-body-util.workspace = true
 http.workspace = true
 hyper.workspace = true
 hyper-util.workspace = true
-regex.workspace = true
 ruma.workspace = true
 sentry.optional = true
 sentry-tower.optional = true