chore: Remove documentation link from README.md

[geoalgo]

as it is added to project description

REPLACE THIS TEXT BLOCK

Describe the reason for this change, what the solution is, and any
important design decisions you made.

Remember to follow the CONTRIBUTING GUIDE for any code you submit.

Closes #.

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.04 ⚠️

Comparison is base (c89054a) 65.14% compared to head (83bab72) 65.10%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #722      +/-   ##
==========================================
- Coverage   65.14%   65.10%   -0.04%     
==========================================
  Files         427      427              
  Lines       28692    28692              
==========================================
- Hits        18690    18680      -10     
- Misses      10002    10012      +10     

see 2 files with indirect coverage changes

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[mseeger]

Docs fail due to sphinx 7.0.0 not working with readthedocs: #720