feat: remove calibre folder from syncthing

modules/capabilities/syncthing.nix

@@ -53,11 +53,6 @@ in
               label = "sync";
               devices = builtins.attrNames syncDevices;
             };
-            calibre = {
-              path = "~/calibre";
-              label = "calibre";
-              devices = builtins.attrNames syncMachines;
-            };
           };
           devices = syncDevices;
         };