WL-2780 Don't look at children when deleting redirect.

When deleting redirect we don't care if the parent has children.
Remove trailing whitespace.
WL-2780 Allow remove nodes that only have redirects.

As the permissions on redirects are controller by the parent site we shouldn't care about people deleting a site that's children are only redirects.
WL-2780 Remove redundant check.
Merge pull request #3 from ox-it/WL-2780

WL-2780 Allow normal users to remove redirects.