Move linkintegrity robottests to plone.app.layout

[petschki]

Because they rely on Classic-UI rendered HTML.

Related PRs

• Move plone.app.linkintegrity Classic-UI templates/views plone.app.layout#389
• Move Classic-UI templates to plone.app.layout plone.app.linkintegrity#106
• Move linkintegrity robottests to plone.app.layout #4332

Jenkins URLS

Go to

1. https://jenkins.plone.org/view/6.3/job/pull-request-6.3-3.14/build?delay=0sec
2. https://jenkins.plone.org/view/6.3/job/pull-request-6.3-3.10/build?delay=0sec

and paste:

https://github.com/plone/plone.app.layout/pull/389
https://github.com/plone/plone.app.linkintegrity/pull/106
https://github.com/plone/Products.CMFPlone/pull/4332