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

```
lib/ansible/modules/source_control/gitlab_group.py:273:4: ansible-deprecated-version: Deprecated version ('2.10') found in call to Display.deprecated or AnsibleModule.deprecate
```

##### ISSUE TYPE
 - Bug Report

##### COMPONENT NAME
```
lib/ansible/modules/source_control/gitlab_group.py
```

##### ANSIBLE VERSION
```
2.10
```

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### STEPS TO REPRODUCE
N/A

##### EXPECTED RESULTS
N/A

##### ACTUAL RESULTS
N/A

changed = False
        
        if self.deployKeyObject is None:
            deployKey = self.createDeployKey(project, {
                'title': key_title,
                'key': key_key,
                'can_push': options['can_push']})
            changed = True
        else:
            changed, deployKey = self.updateDeployKey(self.deployKeyObject, {
                'can_push': options['can_push']})
        self.deployKeyObject = deployKey
        if changed:
            if self._module.check_mode:
                self._module.exit_json(changed=True, msg="Successfully created or updated the deploy key %s" % key_title)
            try:
                deployKey.save()
            except Exception as e:
                self._module.fail_json(msg="Failed to update deploy key: %s " % e)
            return True
        else:
            return False
    '''
    @param project Project Object
    @param arguments Attributs of the deployKey
    '''
    def createDeployKey(self, project, arguments):