folder_branch_ops: invalidate and unlink resolutionOp unlinks
folder_branch_ops: invalidate and unlink resolutionOp unlinks

Issue: KBFS-1357

keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/client