I find the term slightly confusing, in that it seems like "anti-list" could just as well be a name for the system which is wasting time as opposed to the act of avoiding it.

(In particular, a list of the first kind is an ordering of subtasks to complete some goal, which form a tree or directed graph with a single final node (often not itself on the list). A time-wasting activity of the sort you describe is a an ordering of nodes in a directed graph with a chosen initial node, and is thus opposite-but-analogous.)