calibre-web: orphan

I'm no longer using calibre-web and don't have capacity to maintain it.

nixos/modules/services/web-apps/calibre-web.nix

@@ -250,5 +250,5 @@ in
     };
   };
 
-  meta.maintainers = with lib.maintainers; [ pborzenkov ];
+  meta.maintainers = [ ];
 }

pkgs/by-name/ca/calibre-web/package.nix

@@ -154,7 +154,7 @@ python3Packages.buildPythonApplication rec {
     # changelog = "https://github.com/janeczku/calibre-web/releases/tag/${src.tag}";
     changelog = "https://github.com/janeczku/calibre-web/compare/0.6.26...${src.rev}";
     license = lib.licenses.gpl3Plus;
-    maintainers = with lib.maintainers; [ pborzenkov ];
+    maintainers = [ ];
     mainProgram = "calibre-web";
     platforms = lib.platforms.all;
   };