Cm Subscription: Remove subscription method

	- method to remove a subscription Id from leaflist
	- condition if subscription list is empty, remove subscription
	  all together

Issue-ID: CPS-2164
Change-Id: Id694f441f9675fa9a048e3b824e1f02fae73f87e
Signed-off-by: emaclee <lee.anjella.macabuhay@est.tech>
4 files changed