### Summary

The `get_url` module documentation has extraneous formatting in the "not" word in:
```
NTLM authentication is C(not) supported even if the GSSAPI mech for NTLM has been installed.
```
As it is a part of a sentence, I suspect the "not" here should not have any specific formatting.

### Issue Type

Documentation Report

### Component Name

get_url

### Ansible Version

```console
$ ansible --version
irrelevant
```


### Configuration

```console
$ ansible-config dump --only-changed
irrelevant
```


### OS / Environment

irrelevant

### Additional Information

irrelevant

### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
returned: success
    type: str
    sample: file
status_code:
    description: the HTTP status code from the request
    returned: always
    type: int
    sample: 200
uid:
    description: owner id of the file, after execution
    returned: success
    type: int
    sample: 100
url:
    description: the actual URL used for the request
    returned: always
    type: str
    sample: https://www.ansible.com/
'''
import datetime
import os
import re
import shutil
import tempfile
import traceback
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six.moves.urllib.parse import urlsplit
from ansible.module_utils._text import to_native
from ansible.module_utils.urls import fetch_url, url_argument_spec
def url_filename(url):