* Plugins: allow override when allowing unsigned plugins

* Update pkg/plugins/plugins.go

Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>

* Plugins: removed java-style setter

* Plugins: cleanup

* Update pkg/plugins/plugins.go

Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>

Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>
Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>