### Summary

Ansible no longer returns distribution facts for my Amazon Linux 2 instances after #73767.

### Issue Type

Bug Report

### Component Name

setup

### Ansible Version

```console (paste below)
$ ansible --version
ansible [core 2.11.0b2.post0]  (detached HEAD 30c465c1a9) last updated 2021/03/17 18:53:46 (GMT -400)
  config file = /home/ec2-user/ansible-aws-coll/ansible/ansible.cfg
  configured module search path = ['/home/ec2-user/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/ec2-user/tmp/ansible/lib/ansible
  ansible collection location = /home/ec2-user/ansible-aws-coll/ansible/collections
  executable location = /home/ec2-user/tmp/ansible/bin/ansible
  python version = 3.8.5 (default, Feb 18 2021, 01:24:20) [GCC 7.3.1 20180712 (Red Hat 7.3.1-12)]
  jinja version = 2.11.3
  libyaml = True
```


### Configuration

```console (paste below)
$ ansible-config dump --only-changed
DEVEL_WARNING(env: ANSIBLE_DEVEL_WARNING) = False
```


### OS / Environment

Amazon Linux 2

### Steps to Reproduce

```
ansible localhost -m setup | grep distribution
```


### Expected Results

With 78d3810fdf:
```
[WARNING]: No inventory was parsed, only implicit localhost is available
        "ansible_distribution": "Amazon",
        "ansible_distribution_file_parsed": true,
        "ansible_distribution_file_path": "/etc/system-release",
        "ansible_distribution_file_variety": "Amazon",
        "ansible_distribution_major_version": "2",
        "ansible_distribution_release": "NA",
        "ansible_distribution_version": "2",
```

### Actual Results

```console (paste below)
[WARNING]: No inventory was parsed, only implicit localhost is available
```

debian_facts = {}
        if 'Debian' in data or 'Raspbian' in data:
            debian_facts['distribution'] = 'Debian'
            release = re.search(r"PRETTY_NAME=[^(]+ \(?([^)]+?)\)", data)
            if release:
                debian_facts['distribution_release'] = release.groups()[0]
            
            if collected_facts['distribution_release'] == 'NA' and 'Debian' in data:
                dpkg_cmd = self.module.get_bin_path('dpkg')
                if dpkg_cmd:
                    cmd = "%s --status tzdata|grep Provides|cut -f2 -d'-'" % dpkg_cmd
                    rc, out, err = self.module.run_command(cmd)
                    if rc == 0:
                        debian_facts['distribution_release'] = out.strip()
        elif 'Ubuntu' in data:
            debian_facts['distribution'] = 'Ubuntu'
            
        elif 'SteamOS' in data:
            debian_facts['distribution'] = 'SteamOS'
            
        elif path in ('/etc/lsb-release', '/etc/os-release') and ('Kali' in data or 'Parrot' in data):
            if 'Kali' in data:
                
                debian_facts['distribution'] = 'Kali'
            elif 'Parrot' in data:
                debian_facts['distribution'] = 'Parrot'
            release = re.search('DISTRIB_RELEASE=(.*)', data)
            if release: