Removed org.jcryptool.core.actions plug-in

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Removed org.jcryptool.core.action

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>
Deleted the org.jcryptool.core.action plug-in

Signed-off-by: Dominik Schadow <dominikschadow@googlemail.com>