Deleted classifier is still displaying on the list

[Jayafo]

Describe the bug
When a user deletes a classifier, the deleted classifier is still displaying on the list and when focused server error message is displayed.
To Reproduce
Steps to reproduce the behaviour:

1. Go to 'Mauro'

2. Click on 'a Classifications menu

3. Delete a classifier
   

4. The deleted classifier is still displaying on the list.
   Expected behaviour
   The deleted classifier should not be on the list as it is expected to disappear online/realtime

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

[pjmonks]

The issue is that the Classification list is not responding to the event of the classifier being deleted. A full page reload shows that the classifier has been removed though.

[Jayafo]

Passed Retest