CLN: remove compat.itervalues

[topper-123]

• xref CLN: remove PY2 #25725

Removes compat.itervalues.

[codecov]

Codecov Report

Merging #26099 into master will decrease coverage by 51.22%.
The diff coverage is 37.5%.

@@             Coverage Diff             @@
##           master   #26099       +/-   ##
===========================================
- Coverage   91.96%   40.73%   -51.23%     
===========================================
  Files         175      175               
  Lines       52412    52406        -6     
===========================================
- Hits        48199    21346    -26853     
- Misses       4213    31060    +26847

Flag	Coverage Δ
#multiple	?
#single	40.73% <37.5%> (-0.15%)	⬇️

Impacted Files	Coverage Δ
pandas/compat/__init__.py	81.13% <ø> (-11.6%)	⬇️
pandas/core/dtypes/concat.py	51.96% <ø> (-44.63%)	⬇️
pandas/core/groupby/generic.py	13.3% <0%> (-73.79%)	⬇️
pandas/core/base.py	33.93% <0%> (-64.28%)	⬇️
pandas/core/panel.py	16.21% <0%> (-19.32%)	⬇️
pandas/io/parsers.py	25.86% <100%> (-69.99%)	⬇️
pandas/core/nanops.py	31.39% <100%> (-62.45%)	⬇️
pandas/io/json/normalize.py	8.16% <50%> (-88.78%)	⬇️
pandas/io/formats/latex.py	0% <0%> (-100%)	⬇️
pandas/io/sas/sas_constants.py	0% <0%> (-100%)	⬇️
... and 138 more

---

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[codecov]

Codecov Report

Merging #26099 into master will decrease coverage by <.01%.
The diff coverage is 87.5%.

@@            Coverage Diff             @@
##           master   #26099      +/-   ##
==========================================
- Coverage   91.96%   91.95%   -0.01%     
==========================================
  Files         175      175              
  Lines       52412    52405       -7     
==========================================
- Hits        48200    48189      -11     
- Misses       4212     4216       +4

Flag	Coverage Δ
#multiple	90.51% <87.5%> (-0.01%)	⬇️
#single	40.72% <37.5%> (-0.15%)	⬇️

Impacted Files	Coverage Δ
pandas/compat/__init__.py	92.45% <ø> (-0.28%)	⬇️
pandas/core/dtypes/concat.py	96.56% <ø> (-0.02%)	⬇️
pandas/core/panel.py	35.43% <0%> (-0.1%)	⬇️
pandas/io/json/normalize.py	96.93% <100%> (ø)	⬆️
pandas/core/groupby/generic.py	87.07% <100%> (-0.02%)	⬇️
pandas/core/base.py	98.2% <100%> (-0.01%)	⬇️
pandas/io/parsers.py	95.84% <100%> (ø)	⬆️
pandas/core/nanops.py	93.82% <100%> (-0.02%)	⬇️
pandas/io/gbq.py	75% <0%> (-12.5%)	⬇️
pandas/core/frame.py	96.9% <0%> (-0.12%)	⬇️

---

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[topper-123]

The failure is the one mentioned by @mroeschke here: #26081 (review). It's unrelated to this PR.

[jschendel]

lgtm; restarted the build with unrelated failure

[mroeschke]

Thanks @topper-123!