It should be replaced with a global pip cache in the long run.
Removing it should make the maintenance of the required packages easier
as it can be done within the modules instead of in the global
provisioing scripts.
Change-Id: Ief9832a8a640ce98325cda015d0a9e89d6cb16af
Reviewed-by: Simo Fält <simo.falt@qt.io>
(cherry picked from commit b87b44168c)
Reviewed-by: Daniel Smith <Daniel.Smith@qt.io>
