BUG: exported function names in nifti_utils.py

Forgot to update these

Author: cookpa

ants/utils/nifti_utils.py

@@ -1,8 +1,8 @@
 __all__ = [
     "deshear_sform",
     "get_nifti_sform_shear",
-    "get_nifti_sform_image_info",
-    "get_nifti_qform_image_info",
+    "get_nifti_qform_spatial_info",
+    "get_nifti_sform_spatial_info",
     "get_nifti_spatial_transform_from_metadata",
     "set_nifti_spatial_transform_from_metadata"
 ]