nixosTests.yabar: drop

(cherry picked from commit 9410c857bf)

nixos/tests/all-tests.nix

@@ -1484,7 +1484,6 @@ in
   xss-lock = runTest ./xss-lock.nix;
   xterm = runTest ./xterm.nix;
   xxh = runTest ./xxh.nix;
-  yabar = runTest ./yabar.nix;
   yarr = runTest ./yarr.nix;
   ydotool = handleTest ./ydotool.nix { };
   yggdrasil = runTest ./yggdrasil.nix;

nixos/tests/yabar.nix

@@ -1,30 +0,0 @@
-{
-  name = "yabar";
-  meta.maintainers = [ ];
-
-  nodes.machine = {
-    imports = [
-      ./common/x11.nix
-      ./common/user-account.nix
-    ];
-
-    test-support.displayManager.auto.user = "bob";
-
-    programs.yabar.enable = true;
-    programs.yabar.bars = {
-      top.indicators.date.exec = "YABAR_DATE";
-    };
-  };
-
-  testScript = ''
-    machine.start()
-    machine.wait_for_x()
-
-    # confirm proper startup
-    machine.wait_for_unit("yabar.service", "bob")
-    machine.sleep(10)
-    machine.wait_for_unit("yabar.service", "bob")
-
-    machine.screenshot("top_bar")
-  '';
-}