Revert "compatiblity changes for ckeditor version3.1"
Revert "compatiblity changes for ckeditor version3.1"

This reverts commit 99ce3765c18ec325c24b0bec8b16545109278087.

jrief/djangocms-cascade,jrief/djangocms-cascade,haricot/djangocms-bs4forcascade,jrief/djangocms-cascade,haricot/djangocms-bs4forcascade