16 refactor deprecated functions

Closes https://code.vereign.com/code/data-storage-agent/issues/16

handler/handler.go

@@ -123,7 +123,7 @@ func (s *KeyStorageServerImpl) GetKey(ctx context.Context, in *api.GetKeyRequest
 		return getKeyResponse, nil
 	}
 
-		getKeyResponse.Key = key
+	getKeyResponse.Key = key
 
 	return getKeyResponse, nil
 }