Merge branch 'remove-extension-from-solr-index-when-removed-all-versions' into 'develop'

Remove extension from index if all versions deleted

See merge request !235
3 jobs for develop in 2 minutes and 15 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #4202
build

00:00:27

 
  Layout
passed #4203
layout

00:01:05

 
  Deploy
passed #4204
deploy-develop

00:00:42