Remove connected PZH from the trusted list

Disconnect the PZH
Removes from the pzh trusted list
Removes exchanged certificate
Other end also needs to remove PZH, till it does not remove PZH, PZH will try connecting everytime but will fail as other end has deleted cetificates.

Jira Issue: WP-715
Added sync to update pzp about removed PZH details

Jira Issue: WP-715
Merge pull request #488 from habibvirji/WP-715-remove-connected-pzh

Remove connected PZH from the trusted list