delete the dataset when repo is disabled or does not exist

[severo]

Fixes #2272 and #2273.

See related PR: huggingface/huggingface_hub#1965 (once released, change the code in datasets-server)

[codecov-commenter]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (3ee12ad) 90.97% compared to head (661297a) 89.98%.

Files	Patch %	Lines
libs/libcommon/src/libcommon/operations.py	71.42%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2276      +/-   ##
==========================================
- Coverage   90.97%   89.98%   -1.00%     
==========================================
  Files         246      155      -91     
  Lines       14948     8775    -6173     
==========================================
- Hits        13599     7896    -5703     
+ Misses       1349      879     -470     

Flag	Coverage Δ
jobs_cache_maintenance	95.17% <ø> (ø)
jobs_mongodb_migration	86.10% <ø> (ø)
libs_libcommon	92.48% <89.47%> (+0.09%)	⬆️
services_admin	87.92% <ø> (ø)
services_api	86.21% <ø> (ø)
services_rows	82.72% <ø> (ø)
services_search	80.57% <ø> (ø)
services_sse-api	94.19% <ø> (ø)
services_worker	?

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