Deprecation update

[tpike3]

Removes deprecation warnings identified in #1520:

• remove position_agent
• remove num_agent
• remove find_empty

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.16 ⚠️

Comparison is base (5c91725) 80.08% compared to head (195e3da) 79.93%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1722      +/-   ##
==========================================
- Coverage   80.08%   79.93%   -0.16%     
==========================================
  Files          18       18              
  Lines        1195     1176      -19     
  Branches      225      220       -5     
==========================================
- Hits          957      940      -17     
+ Misses        203      202       -1     
+ Partials       35       34       -1     

Impacted Files	Coverage Δ
mesa/space.py	90.88% <100.00%> (+0.06%)	⬆️

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[rht]

Has been implemented in #1688.

[tpike3]

Well crap, I completely missed that.. I will close this one and merge #1688