Fix lint errors in less which actually change css. (part 2)

Disable all text editor plugins but plain html area Go to admin > settings frontpage VERIFY: the front page summary field looks the same before and after the the patch Bring up an atto editor Click the link button The dialogue will pop up VERIFY: the close button looks the same before and after the patch Go to a course and add the search forums block VERIFY: Ensure the search forums block looks the same before and after the patch Add the login block to the front page VERIFY: ensure the login button looks the same before and after the patch Add a numerical question VERIFY: the answer form looks the same before and after the patch Go to the course form VERIFY: that the date fields look the same before and after the patch On a course, move an activity around VERIFY: the spinner looks the same before and after the patch Go to the course management interface On the category there is an edit button with a dropdown VERIFY: the dropdown looks the same before and after the patch Go to the course particpation report VERIFY: Ensure the form looks the same before and after the patch Go to my private files Go to a repository Look at the view items on top riigth VERIFY: ensure they look the same before and after the patch