Giving up on doctest in travis due to the small non-determinsm of predictions...

Giving up on doctest in travis due to the small non-determinsm of predictions (i.e. last few decimals are different)

.travis.yml

@@ -71,4 +71,3 @@ script:
       --already-downloaded-dir /tmp/downloads
   - mhcflurry-downloads info  # just to test this command works
   - nosetests --with-timer -sv test
-  - cd docs && bash ./doctest.sh