Without this, you get an error about the lack of package comments.
"package-comments: should have a package comment (revive)"
Signed-off-by: Jean-Philippe Evrard <open-source@a.spamming.party>
This at the same time, removes the alert public package.
Alert was only used inside prometheus blocker, so it allows
to simplify the code.
Signed-off-by: Jean-Philippe Evrard <open-source@a.spamming.party>
