Revert "Test CI check check_default_params"

This reverts commit 6461882.
This was a test to cause CI to fail, and is reverted because we don't
want to include that failure.

param_templates/json/diag_table.json

@@ -2,7 +2,7 @@
    "FieldLists": [
       [
          "uo",
-         "o",
+         "vo",
          "h",
          "e",
          "thetao",
@@ -1157,4 +1157,4 @@
          }
       }
    }
-}
+}