Don't allow failures on pylint test

now that all warnings have been fixed we'd like to keep it that
way

Author: atodorov

.travis.yml

@@ -22,8 +22,6 @@ matrix:
     - { stage: test, python: 3.6, env: TOXENV=pylint }
     - { stage: test, python: 3.6, env: TOXENV=readme }
     - { stage: build_and_package_sanity, python: 3.6, env: SANITY_CHECK=1 }
-  allow_failures:
-    - env: TOXENV=pylint
 
 install:
   - pip install tox-travis