Don't remove completed tracked tasks
Don't remove completed tracked tasks

The request will not be removed once they are complete.
Instead they will be marked as done.

Signed-off-by: Kanagaraj M <a744b691cd98174fb19a473a8cf78b810491e452@redhat.com>

kmkanagaraj/usm-client-2,skyrings/kitoon,skyrings/kitoon,cloudbehl/tendrl_frontend,kmkanagaraj/usm-client-2,cloudbehl/tendrl_frontend,kmkanagaraj/usm-client-2,Tendrl/dashboard,skyrings/kitoon,Tendrl/dashboard