wgengine/router: stop cleaning up old dev rules on Linux
Anybody using that one old, unreleased version of Tailscale from over
a year ago should've rebooted their machine by now to get various
non-Tailscale security updates. :)
@@ -891,15 +891,6 @@ func (r *linuxRouter) delIPRules() error {
// versions without having ongoing hacks for every possible
// combination.
- // Delete old-style tailscale rules
- // (never released in a stable version, so we can drop this
- // support eventually).
- rg.Run(
- "ip", family, "rule", "del",
- "pref", "10000",
- "table", "main",
- )
-
// Delete new-style tailscale rules.
rg.Run(
"ip", family, "rule", "del",
