Remove all references to defaults: timeout: from suite.conf

This feature is not really implemented and maybe never was. In any case,
it makes sense to have that working per-test so we can specify different
values per test in case it's needed.

Change-Id: I3c1b95c10e974da87ec9abd25578d8bcc0bc55a3
diff --git a/src/osmo_gsm_tester/core/schema.py b/src/osmo_gsm_tester/core/schema.py
index 70b4c8c..9a346cd 100644
--- a/src/osmo_gsm_tester/core/schema.py
+++ b/src/osmo_gsm_tester/core/schema.py
@@ -430,7 +430,7 @@
     global _ALL_SCHEMA
     if _ALL_SCHEMA is None:
         want_schema = get_want_schema()
-        _ALL_SCHEMA = util.dict_add({ 'defaults.timeout': STR },
+        _ALL_SCHEMA = util.dict_add(
                         dict([('config.%s' % key, val) for key, val in _CONFIG_SCHEMA.items()]),
                         dict([('resources.%s' % key, val) for key, val in want_schema.items()]),
                         dict([('modifiers.%s' % key, val) for key, val in want_schema.items()]))