##### SUMMARY
fact_cache contains call to Display.deprecated or AnsibleModule.deprecate and is scheduled for removal

```
lib/ansible/vars/fact_cache.py:99:12: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
```

##### ISSUE TYPE
 - Bug Report

##### COMPONENT NAME
```
lib/ansible/vars/fact_cache.py
```

##### ANSIBLE VERSION
```
2.12
```

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### STEPS TO REPRODUCE
N/A

##### EXPECTED RESULTS
N/A

##### ACTUAL RESULTS
N/A

self._plugin.set(key, value)
    def __delitem__(self, key):
        self._plugin.delete(key)
    def __contains__(self, key):
        return self._plugin.contains(key)
    def __iter__(self):
        return iter(self._plugin.keys())
    def __len__(self):
        return len(self._plugin.keys())
    def copy(self):
        """ Return a primitive copy of the keys and values from the cache. """
        return dict(self)
    def keys(self):
        return self._plugin.keys()
    def flush(self):
        """ Flush the fact cache of all keys. """
        self._plugin.flush()
    def first_order_merge(self, key, value):
        host_facts = {key: value}
        try:
            host_cache = self._plugin.get(key)
            if host_cache:
                host_cache.update(value)
                host_facts[key] = host_cache
        except KeyError:
            pass
        super(FactCache, self).update(host_facts)
    def update(self, *args):