Remove quietboot support

somehow didn't really work, boot just failed and i had to fix it with a rescue media

hosts/common/optional/quietboot.nix

@@ -1,33 +0,0 @@
-{
-  pkgs,
-  config,
-  ...
-}: {
-  console = {
-    useXkbConfig = true;
-    earlySetup = false;
-  };
-
-  boot = {
-    plymouth = {
-      enable = true;
-      theme = "spinner-monochrome";
-      themePackages = [
-        (pkgs.plymouth-spinner-monochrome.override {
-          inherit (config.boot.plymouth) logo;
-        })
-      ];
-    };
-    loader.timeout = 0;
-    kernelParams = [
-      "quiet"
-      "loglevel=3"
-      "systemd.show_status=auto"
-      "udev.log_level=3"
-      "rd.udev.log_level=3"
-      "vt.global_cursor_default=0"
-    ];
-    consoleLogLevel = 0;
-    initrd.verbose = false;
-  };
-}