IsVendor
The changes in this file were upstreamed directly into go-enry as https://github.com/go-enry/go-enry/pull/44 and therefore they are no longer needed.
enry.IsVendor
`enry.IsVendor` is kinda slow as it simply iterates across all regexps. This PR ajdusts the regexps to combine them to make this process a little quicker. Related #15143 Signed-off-by: Andrew Thornton <art27@cantab.net>