Please use acs aem commons Deep Prune for this use case. I have used the same and please refer below screenshot. You could see path : /var/dam/share and status : Completed

it will help me to purge/remove the nodes under /var/dam/share.
I have used below configuration -


nodes under /var/dam/share are used for reporting purpose and please note that business might be interested about these data.
You might need to discuss with client like a maintenance task.
Please refer this link https://adobe-consulting-services.github.io/acs-aem-commons/features/mcp-tools/deep-prune/index.html