Related discussion:
- https://github.com/uBlockOrigin/uAssets/commit/a54cb2e38f7b2af972f2ddee8fd86350d6f2e07c#commitcomment-34387041

There no more spurious warning from the browser since
Chromium 70, this was fixed in:

https://bugs.chromium.org/p/chromium/issues/detail?id=111700#c42

Removing the special handling code means users of
Chromium 69 and earlier will be back suffering the
spurious warning, but both uBO and HTTPS-Everywhere
function as intended.