Revert "try updating setuptools for travis"

jcupitt · jcupitt · commit d0f973dd849b · 2017-10-20T14:24:42.000+01:00
This reverts commit a41442b.
diff --git a/.travis.yml b/.travis.yml
@@ -55,7 +55,6 @@ matrix:
     - python: nightly
 
 install:
-  - pip install --upgrade setuptools
   - pip install .[test]
 
 script:
