Drop qf
This tool is not being used and not being maintained anymore. Remove it so we don't have to keep solving new issues shown by shellcheck like:
In qf line 81:
branch=${quilt_branch#$QUILT_PREFIX}
^-----------^ SC2295 (info): Expansions inside ${..} need to be quoted separately, otherwise they match as patterns.
Signed-off-by: Lucas De Marchi lucas.demarchi@intel.com