Automation: Move factory reset tests to mfg.

This resolves openbmc/openbmc-test-automation#1189

Change-Id: Ib146c1df4e202261da078b587499294aa9aed97d
Signed-off-by: Prashanth Katti <prkatti1@in.ibm.com>
diff --git a/extended/test_factory_reset.robot b/mnfg/test_factory_reset.robot
similarity index 100%
rename from extended/test_factory_reset.robot
rename to mnfg/test_factory_reset.robot