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

```
lib/ansible/modules/crypto/acme/acme_certificate.py:1024:8: 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/crypto/acme/acme_certificate.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

'''
        Convert the DER format certificate in der_cert to a PEM format
        certificate and return it.
        '''
        return """-----BEGIN CERTIFICATE-----\n{0}\n-----END CERTIFICATE-----\n""".format(
            "\n".join(textwrap.wrap(base64.b64encode(der_cert).decode('utf8'), 64)))
    def _download_cert(self, url):
        '''
        Download and parse the certificate chain.
        https://tools.ietf.org/html/rfc8555#section-7.4.2
        '''
        content, info = self.account.get_request(url, parse_json_result=False, headers={'Accept': 'application/pem-certificate-chain'})
        if not content or not info['content-type'].startswith('application/pem-certificate-chain'):
            raise ModuleFailException("Cannot download certificate chain from {0}: {1} (headers: {2})".format(url, content, info))
        cert = None
        chain = []
        
        lines = content.decode('utf-8').splitlines(True)
        current = []
        for line in lines:
            if line.strip():
                current.append(line)
            if line.startswith('-----END CERTIFICATE-----'):
                if cert is None:
                    cert = ''.join(current)
                else:
                    chain.append(''.join(current))
                current = []
        alternates = []
        def f(link, relation):