Remove ref. to Shae

Signed-off-by: Benoit Donneaux <benoit@leastauthority.com>

morph/grid/testing/public-keys/users.nix

@@ -7,6 +7,6 @@ let
                 ];
 in
   {
-    "root" = flo ++ bdonneaux ++ shae ++ chris ++ last-resort;
-    inherit  flo    bdonneaux    shae    chris    last-resort;
+    "root" = flo ++ bdonneaux ++ chris ++ last-resort;
+    inherit  flo    bdonneaux    chris    last-resort;
   }