Add removal of ssh keys to devops_users role

Add removal of ssh keys (a separate dictionary) to the devops_users role, equivalent to the ssh role functionality.

changed milestone to %Sprint 68

added 1 deleted label

mentioned in merge request !28 (merged)

mentioned in issue #14 (closed)

mentioned in merge request !29 (merged)

added workflowIn Progress label and removed 1 deleted label

removed workflowIn Progress label

unassigned @amc203

assigned to @rjg21

added workflowIn Progress label

mentioned in merge request !30 (merged)

added workflowReview Required label and removed workflowIn Progress label

mentioned in commit e5434d8f

closed via merge request !30 (merged)