fix import issue

Author: dbdimitrov

src/liana/utils/__init__.py

@@ -1,6 +1,5 @@
 from liana.utils.obsm_to_adata import obsm_to_adata
 from liana.utils.mdata_to_anndata import mdata_to_anndata
-from liana.utils.anndata_to_mdata import anndata_to_mdata
 from liana.utils.transform import zi_minmax, neg_to_zero
 from liana.utils.spatial_neighbors import spatial_neighbors, spatial_pair_proximity
 from liana.utils._getters import get_factor_scores, get_variable_loadings