chore(glittershark): Remove everything Urbint related

bye urbint!

Change-Id: I87ded275e6e5298e4e29c38775bae47a8fc07bac
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2149
Reviewed-by: glittershark <grfn@gws.fyi>
Tested-by: BuildkiteCI

users/glittershark/system/system/machines/chupacabra.nix

@@ -5,7 +5,6 @@
     ../modules/common.nix
     ../modules/reusable/battery.nix
     ../modules/tvl.nix
-    ../modules/urbint.nix
     ../modules/fcitx.nix
     ../modules/rtlsdr.nix
     ../../../../../ops/nixos/v4l2loopback.nix
@@ -42,9 +41,13 @@
       };
     };
 
-    kernel.sysctl."vm.swappiness" = 1;
     kernelModules = [ "kvm-intel" ];
     kernelParams = [ "acpi_rev_override" ];
+
+    kernel.sysctl = {
+      "kernel.perf_event_paranoid" = -1;
+      "vm.swappiness" = 1;
+    };
   };
 
   services.thermald.enable = true;

users/glittershark/system/system/modules/urbint.nix

@@ -1,31 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-with lib;
-
-{
-  virtualisation.docker.enable = true;
-
-  nix = rec {
-    binaryCaches = [ "https://nix.urbinternal.com" ];
-    trustedBinaryCaches = binaryCaches;
-    requireSignedBinaryCaches = false;
-  };
-
-  services.openvpn.servers.urbint = {
-    config = ''
-      config /root/openvpn/urbint.conf
-    '';
-    autoStart = false;
-  };
-
-  users.users."grfn".extraGroups = [ "docker" ];
-
-  services.clamav = {
-    daemon.enable = true;
-    updater = {
-      enable = true;
-      interval = "daily";
-      frequency = 1; # per day
-    };
-  };
-}