Revert "copy setup-environment on checkout"
Revert "copy setup-environment on checkout"

This reverts commit 0d2688b2ff27921792489e1068851f886a7f488a.

Angstrom-distribution/angstrom-manifest,96boards/oe-rpb-manifest,koenkooi/angstrom-manifest,linaro-home/lhg-oe-manifests,twoerner/angstrom-manifest,ndechesne/qcom-oe-manifest