[python] Use same default max domain between Python and R

[johnkerl]

Issue and/or context: As tracked on issue #2407 / [sc-51048].

Note that the intended Python and R API changes are all agreed on and finalized as described in #2407.

Changes:

In Python we were trying to use default max shapes there were 31-bit friendly for R compatibility. However, in R we're already setting 63-bit maxdomain:
https://github.com/single-cell-data/TileDB-SOMA/blob/1.14.1/apis/r/R/utils-arrow.R#L127

Notes for Reviewer:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.12%. Comparing base (06cb313) to head (c37530d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3088      +/-   ##
==========================================
+ Coverage   88.98%   89.12%   +0.14%     
==========================================
  Files          45       45              
  Lines        4286     4287       +1     
==========================================
+ Hits         3814     3821       +7     
+ Misses        472      466       -6     

Flag	Coverage Δ
python	89.12% <100.00%> (+0.14%)	⬆️

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

Components	Coverage Δ
python_api	89.12% <100.00%> (+0.14%)	⬆️
libtiledbsoma	∅ <ø> (∅)

[johnkerl]

Thanks @nguyenv and @mojaveazure ! :)