xmrig: compile with compiler optimizations

p2pool is very light on resources, it's xmrig that should be disabled

services/monero/p2pool.nix

@@ -33,12 +33,6 @@
     wants = [ "monero.service" ];
   };
 
-  # Stop p2pool on UPS battery to conserve power
-  services.apcupsd.hooks = lib.mkIf config.services.apcupsd.enable {
-    onbattery = "systemctl stop p2pool";
-    offbattery = "systemctl start p2pool";
-  };
-
   networking.firewall.allowedTCPPorts = [
     service_configs.ports.public.p2pool_p2p.port
   ];

services/monero/xmrig.nix

@@ -11,7 +11,7 @@ in
 {
   services.xmrig = {
     enable = true;
-    package = pkgs.xmrig;
+    package = lib.optimizePackage pkgs.xmrig;
 
     settings = {
       autosave = true;