ops: remove reference to non-existent machine

Change-Id: I0d4ea1a0d99f7b177a3fe526a7f435ea6b161bb7
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1902
Reviewed-by: informatic <informatic@hackerspace.pl>
diff --git a/ops/hive.nix b/ops/hive.nix
index 3d7eb70..d8911ad 100644
--- a/ops/hive.nix
+++ b/ops/hive.nix
@@ -84,5 +84,4 @@
   "tv1.waw.hackerspace.pl" = import ../hswaw/machines/tv/tv1.nix;
   "tv2.waw.hackerspace.pl" = import ../hswaw/machines/tv/tv2.nix;
   "sound.waw.hackerspace.pl" = import ../hswaw/machines/sound.waw.hackerspace.pl/configuration.nix;
-  "arcade.waw.hackerspace.pl" = import ../hswaw/machines/arcade.waw.hackerspace.pl/configuration.nix;
 }