refactor(rust): Purge arrow-rs support

[orlp]

This was a legacy holdover from before polars-arrow was vendored, we never used this.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.22%. Comparing base (00650b9) to head (94a822e).
Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #19312      +/-   ##
==========================================
+ Coverage   80.02%   80.22%   +0.20%     
==========================================
  Files        1528     1523       -5     
  Lines      209871   209495     -376     
  Branches     2419     2434      +15     
==========================================
+ Hits       167954   168073     +119     
+ Misses      41366    40867     -499     
- Partials      551      555       +4     

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[ritchie46]

A rebase away.

[deanm0000]

:(

[eitsupi]

Isn't this a breaking change?

[ritchie46]

For rust it is. And it will be in a major version bump. @deanm0000 did you use this? As it is arrow, you can still use ffi for this.

[deanm0000]

I was using to interop with geoarrow, or try to anyway