By default bashate checks for lines longer than 80
characters and issues E006 warnings for these.
Suppress the E006 warnings since we don't enforce
this line length standard in OpenStack shell
scripts so that other warnings will be more evident.
Tox 2.x does not parse the current tox file as is, the comments cause
"ValueError: No closing quotation". Remove the comments to make the file
work with recent tox.
This is caused by a backwards incompatible change in tox: