CLN: remove __unicode__ from pandas.core.dtypes

[topper-123]

• xref CLN: remove PY2 #25725

Removes use of __unicode__ from the pandas.core.dtypes namespace.

[codecov]

Codecov Report

Merging #26415 into master will decrease coverage by <.01%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##           master   #26415      +/-   ##
==========================================
- Coverage   91.69%   91.68%   -0.01%     
==========================================
  Files         174      174              
  Lines       50739    50737       -2     
==========================================
- Hits        46524    46518       -6     
- Misses       4215     4219       +4

Flag	Coverage Δ
#multiple	90.19% <85.71%> (-0.01%)	⬇️
#single	41.18% <85.71%> (-0.16%)	⬇️

Impacted Files	Coverage Δ
pandas/core/dtypes/dtypes.py	96.65% <85.71%> (-0.02%)	⬇️
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	97.02% <0%> (-0.12%)	⬇️

---

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[codecov]

Codecov Report

Merging #26415 into master will decrease coverage by <.01%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##           master   #26415      +/-   ##
==========================================
- Coverage   91.69%   91.68%   -0.01%     
==========================================
  Files         174      174              
  Lines       50739    50737       -2     
==========================================
- Hits        46524    46518       -6     
- Misses       4215     4219       +4

Flag	Coverage Δ
#multiple	90.19% <85.71%> (-0.01%)	⬇️
#single	41.18% <85.71%> (-0.16%)	⬇️

Impacted Files	Coverage Δ
pandas/core/dtypes/dtypes.py	96.65% <85.71%> (-0.02%)	⬇️
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	97.02% <0%> (-0.12%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ff4437e...c10ff78. Read the comment docs.

[WillAyd]

lgtm!

[jreback]

thanks @topper-123 imagine we have a these