Merge pull request #5386 from asottile/backport_5384

[4.6] Remove --recreate from .travis.yml (#5384)

Author: asottile

.travis.yml

@@ -130,7 +130,7 @@ before_script:
       export _PYTEST_TOX_EXTRA_DEP=coverage-enable-subprocess
     fi
 
-script: tox --recreate
+script: tox
 
 after_success:
   - |