Simplify implementation of tile

[ricardoV94]

Removes obscure ndim kwarg that was needed before we had static shapes.

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📚 Documentation preview 📚: https://pytensor--1187.org.readthedocs.build/en/1187/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.29%. Comparing base (884dee9) to head (d37cbb8).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1187      +/-   ##
==========================================
- Coverage   82.29%   82.29%   -0.01%     
==========================================
  Files         186      186              
  Lines       48039    48034       -5     
  Branches     8632     8629       -3     
==========================================
- Hits        39533    39528       -5     
  Misses       6348     6348              
  Partials     2158     2158              

Files with missing lines	Coverage Δ
pytensor/tensor/basic.py	91.37% <100.00%> (+0.06%)	⬆️

... and 2 files with indirect coverage changes

[Armavica]

Looks nice, I made a few minor comments