Revert "Merge branch 'new-conda-build' into 'master'"

This reverts merge request !66
4 jobs for <span class="ref-name">revert-22ded188</span> in 8 minutes and 51 seconds (queued for 8 seconds)
Status Job ID Name Coverage
  Build
passed #168893
docker
build_linux_36

00:03:42

passed #168894
docker
build_linux_37

00:03:40

passed #168895
macosx
build_macosx_36

00:08:51

passed #168896
macosx
build_macosx_37

00:03:51