This reverts the following commits:
8704fb308d6109baf9797231c09bcc6af9681771
afb95d7246b3f7776185abf0959544549d425f06
277bf8f48c0e52dd26b36a39ddf88b924927ee72
c995ac72a39dbc3a99ce7752f4a3c996f6fb7d99
e699226e802fed16e5af64d7eaa6c3c4537058bb
We're going to try again to build 1.14.1
Signed-off-by: Denton Gentry <dgentry@tailscale.com>
Move derpmap.Prod to a static JSON file (go:generate'd) instead,
to make its role explicit. And add a TODO about making dnsfallback
use an update-over-time DERP map file instead of a baked-in one.
Updates #1264
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>