Remove the wheel-less vendor tests
The wheel based vendor tests should get us the same testing without
the issue of trying to upgrade something that setuptools itself is
depending on. It also matches the mechanism that downstream are
currently using better.
@@ -23,10 +23,6 @@ matrix:
env: TOXENV=py37
- python: pypy
env: TOXENV=pypy
- - python: 2.7
- env: TOXENV=py27 VENDOR=no
- - python: 3.6
- env: TOXENV=py36 VENDOR=no
- python: 2.7
env: TOXENV=py27 VENDOR=no WHEELS=yes
- python: 3.6
