Clean up Py2 Influence in move.c

[WillAyd]

More extension module review / cleanup to get rid of Python2 traces

[codecov]

Codecov Report

Merging #26266 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #26266      +/-   ##
==========================================
- Coverage   91.98%   91.97%   -0.01%     
==========================================
  Files         175      175              
  Lines       52386    52386              
==========================================
- Hits        48185    48181       -4     
- Misses       4201     4205       +4

Flag	Coverage Δ
#multiple	90.52% <ø> (ø)	⬆️
#single	40.72% <ø> (-0.15%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	96.9% <0%> (-0.12%)	⬇️

---

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[codecov]

Codecov Report

Merging #26266 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #26266      +/-   ##
==========================================
- Coverage   91.98%   91.97%   -0.01%     
==========================================
  Files         175      175              
  Lines       52386    52386              
==========================================
- Hits        48185    48181       -4     
- Misses       4201     4205       +4

Flag	Coverage Δ
#multiple	90.52% <ø> (ø)	⬆️
#single	40.72% <ø> (-0.15%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	96.9% <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 7fafb35...e9dc953. Read the comment docs.

[jreback]

thanks @WillAyd