What steps will reproduce the problem?
1. Create some interviews / sessions and add some tags
2. Delete the interviews from Stories Matter so that the project is empty
3. The tag cloud will continue to generate itself using the tags from the
previous interviews / sessions
What is the expected output? What do you see instead?
The tag entries should be deleted when you delete an interview / session
What version of the product are you using? On what operating system?
Please provide any additional information below.