Disable discovery test

Author: grafnu

.github/workflows/testing.yml

@@ -403,4 +403,4 @@ jobs:
         # owned by root, and cannot be ovewritten by system calls to keygen,
         # unless it too is root, or the behaviour is changed, or the permisions
         # are fixed.
-        run: sudo misc/discoverynode/testing/e2e/test_local site_model
+        #run: sudo misc/discoverynode/testing/e2e/test_local site_model