It will never be there anyways, and saves a **bunch** of time when the
overrides folder is big and we traverse all the tree when searching for
the MMC 'instance.cfg' file.
Signed-off-by: flow <flowlnlnln@gmail.com>
Let's move off our custom QuaZip. In the olden times we needed the
custom version of QuaZip, as it was basically unmaintained and on
SourceForge (eww). But nowadays it's maintained and on GitHub. See
new GitHub page: https://github.com/stachenov/quazip
