By default, shutil.rmtree raises an exception when deleting readonly
files on Windows.
Replace all shutil.rmtree with platform_utils.rmtree, which adds an
error handler to make files read-write when they can't be deleted.
Change-Id: I9cfea9a7b3703fb16a82cf69331540c2c179ed53
repo gitc-delete deletes a GITC client and all the locally
saved sources. Useful for removing unnecessary clients and
recovering disk space.
Change-Id: Idf23addcea52b8713d268c34a7b37da0c5e5cd26