### 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
if os.path.exists(dest):
        
        if not os.access(dest, os.W_OK):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s is not writable" % (dest), **result)
        if not os.access(dest, os.R_OK):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s is not readable" % (dest), **result)
        result['checksum_dest'] = module.sha1(dest)
    else:
        if not os.path.exists(os.path.dirname(dest)):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s does not exist" % (os.path.dirname(dest)), **result)
        if not os.access(os.path.dirname(dest), os.W_OK):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s is not writable" % (os.path.dirname(dest)), **result)
    if module.check_mode:
        if os.path.exists(tmpsrc):
            os.remove(tmpsrc)
        result['changed'] = ('checksum_dest' not in result or
                             result['checksum_src'] != result['checksum_dest'])
        module.exit_json(msg=info.get('msg', ''), **result)
    backup_file = None
    if result['checksum_src'] != result['checksum_dest']:
        try:
            if backup:
                if os.path.exists(dest):
                    backup_file = module.backup_local(dest)
            module.atomic_move(tmpsrc, dest, unsafe_writes=module.params['unsafe_writes'])