Sticky huns dont get cleaned up properly

a remove runnable is scheduled for removing the hun if it needs to be
at the time where non-sticky huns in case the sticky can be removed.
however, if the window is missed, the sticky hun will be life extended
until the pipline runs again

Fixes: 220826525
Test: HeadsupCoordinatorTest
Change-Id: I35f8a19b2fcf234ba18ba082fe50dc5fb2b8430f