Remove unnecessary dependencies from tests/e2e/common.rs

Author: chrisgitiota

notarization-rs/tests/e2e/common.rs

@@ -9,12 +9,9 @@ use anyhow::Context;
 use identity_jose::jwk::Jwk;
 use identity_jose::jws::JwsAlgorithm;
 use identity_storage::JwkMemStore;
-use identity_storage::JwkStorage;
 use identity_storage::KeyId;
 use identity_storage::KeyIdMemstore;
-use identity_storage::KeyIdStorage;
 use identity_storage::KeyType;
-use identity_storage::MethodDigest;
 use identity_storage::Storage;
 use identity_storage::StorageSigner;
 use identity_iota_core::rebased::transaction::Transaction;