1. Initialize enrichEnabled field
2. Run started a go routine internally, which was redundant.

Locks in the container package were as short as possible.
This caused transaction issues once a few actors interacted with it.

Changed the locking scheme to be more "transactional" with large locks,
instead of combining read locks and write locks in the same transaction.

1. Rename mutex in cgroups code
2. Capitalize BPF in RemoveFromBpfMap
3. Delete unused processing code for cgroup events.