ci: Travis: pip-install is not required (#403)

blueyed · web-flow · commit 932af959f75c · 2019-08-19T16:26:07.000+02:00
Tox handles that already.
diff --git a/.travis.yml b/.travis.yml
@@ -27,8 +27,6 @@ before_install:
     else
       pip install -q tox;
     fi
-install:
-  - pip install .
 script:
   - tox
 after_script:
