mls: remove test-utils feature

The `test-utils` feature was used just to allow re-export of a `NostrMlsMemoryStorage`, which is a dev-dependency. Remove that feature and the re-export.

Signed-off-by: Yuki Kishimoto <[email protected]>

Author: yukibtc

crates/nostr-mls/Cargo.toml

@@ -11,10 +11,6 @@ readme = "README.md"
 rust-version = "1.74.0"
 keywords = ["nostr", "mls", "openmls"]
 
-[features]
-default = []
-test-utils = []
-
 [dependencies]
 nostr = { workspace = true, features = ["std", "nip44"] }
 nostr-mls-storage.workspace = true

crates/nostr-mls/src/prelude.rs

@@ -9,10 +9,6 @@
 #![doc(hidden)]
 
 pub use nostr::prelude::*;
-// Re-export for tests and examples
-#[cfg(any(test, feature = "test-utils"))]
-pub use nostr_mls_memory_storage::NostrMlsMemoryStorage;
-// Re-export nostr-mls-storage types and traits
 pub use nostr_mls_storage::groups::{types as group_types, GroupStorage};
 pub use nostr_mls_storage::messages::{types as message_types, MessageStorage};
 pub use nostr_mls_storage::welcomes::{types as welcome_types, WelcomeStorage};