Restore build-backend and remove switch to avoid pep517.#1927

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jaraco merged 3 commits intomasterfrom bugfix/1644-build-backend

Dec 29, 2019

+4-7

Commits on Dec 1, 2019

Restore build-backend and remove switch to avoid pep517. Ref #1644 .
jaraco
committed

Commits on Dec 29, 2019