CLN/DEPR: remove setter for MultiIndex levels/labels properties

[jorisvandenbossche]

Noticed this in another PR, this doesn't seem to be listed in our deprecations master issue #6581. But it is already deprecated since 0.13 (#4039)

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@7b5ca80). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master   #18256   +/-   ##
=========================================
  Coverage          ?   91.39%           
=========================================
  Files             ?      164           
  Lines             ?    50092           
  Branches          ?        0           
=========================================
  Hits              ?    45780           
  Misses            ?     4312           
  Partials          ?        0

Flag	Coverage Δ
#multiple	89.2% <100%> (?)
#single	40.36% <100%> (?)

Impacted Files	Coverage Δ
pandas/core/indexes/multi.py	96.38% <100%> (ø)

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[codecov]

Codecov Report

Merging #18256 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #18256      +/-   ##
==========================================
+ Coverage   91.38%   91.38%   +<.01%     
==========================================
  Files         164      164              
  Lines       49884    49879       -5     
==========================================
- Hits        45584    45582       -2     
+ Misses       4300     4297       -3

Flag	Coverage Δ
#multiple	89.19% <100%> (+0.02%)	⬆️
#single	39.41% <100%> (-0.07%)	⬇️

Impacted Files	Coverage Δ
pandas/core/indexes/multi.py	96.38% <100%> (-0.02%)	⬇️
pandas/io/gbq.py	25% <0%> (-58.34%)	⬇️
pandas/core/frame.py	97.8% <0%> (-0.1%)	⬇️
pandas/plotting/_converter.py	65.25% <0%> (+1.81%)	⬆️

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[jorisvandenbossche]

Failure only seems to be the clipboard one (which is known), and the BUILD_TEST.
Not sure why that last one is failing already tried to restart it some times)

[jreback]

Failure only seems to be the clipboard one (which is known), and the BUILD_TEST.
Not sure why that last one is failing already tried to restart it some times)

assume you have rebased on master. These failures are not longer.

[jreback]

your build looks old (e.g. not rebased)

[jreback]

lgtm otherwise (but push again anyhow)

[jorisvandenbossche]

This was from a clean master, at the moment the PR was opened :-)