dimension issue has been fixed

inst/known_issues.yaml

@@ -16,25 +16,6 @@ known_issues:
     proposed_solution: Debug and fix
     to_investigate: True
     to_fix: True
-  - backend: HDF5AnnData
-    slot:
-      - uns
-      - uns_nested
-    dtype:
-      - boolean_array
-      - dense_array
-      - integer_array
-      - string_array
-    process: [reticulate]
-    error_message: |
-      adata_r$uns[[name]] (`actual`) not equal to reticulate::py_to_r(adata_py$uns[[name]]) (`expected`).
-
-      `dim(actual)` is absent
-      `dim(expected)` is an integer vector (10)
-    description: The python object has a dimension while the R object does not.
-    proposed_solution: Think about whether this is a problem or not. If it isn't, fix the unit test.
-    to_investigate: True
-    to_fix: True
   - backend: HDF5AnnData
     slot:
       - uns