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

```
lib/ansible/modules/source_control/gitlab_user.py:414:4: 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_user.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

self.userObject = user
        if changed:
            if self._module.check_mode:
                self._module.exit_json(changed=True, msg="Successfully created or updated the user %s" % username)
            try:
                user.save()
            except Exception as e:
                self._module.fail_json(msg="Failed to update user: %s " % to_native(e))
            return True
        else:
            return False
    '''
    @param group User object
    '''
    def getUserId(self, user):
        if user is not None:
            return user.id
        return None
    '''
    @param user User object
    @param sshkey_name Name of the ssh key
    '''
    def sshKeyExists(self, user, sshkey_name):
        keyList = map(lambda k: k.title, user.keys.list())
        return sshkey_name in keyList
    '''
    @param user User object
    @param sshkey Dict containing sshkey infos {"name": "", "file": ""}
    '''
    def addSshKeyToUser(self, user, sshkey):