Backport PR #25371 on branch 0.24.x (Remove spurious MultiIndex creation in `_set_axis_name`)#25372

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jreback merged 1 commit intopandas-dev:0.24.xfrom

meeseeksmachine:auto-backport-of-pr-25371-on-0.24.x

Feb 19, 2019

Commits on Feb 19, 2019

Backport PR #25371: Remove spurious MultiIndex creation in `_set_axis_name`

devin-petersohn
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MeeseeksDev[bot]
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