[applets/taskmanager] Revert "forceStripes" checkbox string change
Summary:
I changed the "forceStripes" checkbox string in D19280, most likey because I thought it wasn't super understandable.
The new string I pushed doesn't, however, match what the option does.
So reverting the change.
BUG: 412801
Subscribers: plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D24534