hgweb: simplify a constant-length list by converting to literal tuple
The call to `.append()` has been unnecessary since d3dbdca92458
(hgweb: don't choke when an inexistent style is requested (issue1901),
2009-11-12).
Differential Revision: https://phab.mercurial-scm.org/D8898
Welcome to Mercurial for Windows!
---------------------------------
For configuration and usage directions, please read the ReadMe.html
file that comes with this package.
Also check the release notes at:
https://mercurial-scm.org/wiki/WhatsNew