Remove unnecessary test imports (#5978)
Remove unnecessary test imports.
(cherry picked from commit 9f87989e7f)
Co-authored-by: Felix Fontein <felix@fontein.de>
* Move licenses to LICENSES/, run add-license.py, add LICENSES/MIT.txt.
* Replace 'Copyright:' with 'Copyright'
sed -i 's|Copyright:\(.*\)|Copyright\1|' $(rg -l 'Copyright:')
Co-authored-by: Maxwell G <gotmax@e.email>