remove pydocumentdb in install_requires

[Inhenn]

will not be supported soon

Description

removed pydocumentdb in install_requires

because of pydocumentdb retirement

Related Issues

#1393

Checklist:

• I have followed the contribution guidelines and code style for this project.
• I have added tests covering my contributions.
• I have updated the documentation accordingly.
• This PR is being made to staging branch and not to main branch.

[miguelgfierro]

Happy first commit @Inhenn, I'll add you to the repo so it is easier for you to do commits without forking

[codecov-commenter]

Codecov Report

Merging #1629 (a4a5070) into staging (1fee90e) will increase coverage by 57.73%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           staging    #1629       +/-   ##
============================================
+ Coverage     0.00%   57.73%   +57.73%     
============================================
  Files           88       88               
  Lines         9091     9091               
============================================
+ Hits             0     5249     +5249     
- Misses           0     3842     +3842     

Flag	Coverage Δ
nightly	?
pr-gate	57.73% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
recommenders/datasets/mind.py	0.00% <0.00%> (ø)
recommenders/datasets/movielens.py	69.46% <0.00%> (+69.46%)	⬆️
recommenders/models/sasrec/model.py	26.28% <0.00%> (+26.28%)	⬆️
recommenders/datasets/download_utils.py	90.00% <0.00%> (+90.00%)	⬆️
recommenders/models/newsrec/models/npa.py	95.58% <0.00%> (+95.58%)	⬆️
recommenders/models/newsrec/models/naml.py	92.43% <0.00%> (+92.43%)	⬆️
recommenders/models/newsrec/models/nrms.py	91.37% <0.00%> (+91.37%)	⬆️
recommenders/models/newsrec/models/lstur.py	87.14% <0.00%> (+87.14%)	⬆️
recommenders/evaluation/python_evaluation.py	93.68% <0.00%> (+93.68%)	⬆️
recommenders/models/newsrec/newsrec_utils.py	67.12% <0.00%> (+67.12%)	⬆️
... and 10 more

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