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

```
lib/ansible/modules/cron.py:626:8: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
lib/ansible/modules/cron.py:631:8: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
```

##### ISSUE TYPE
 - Bug Report

##### COMPONENT NAME
```
lib/ansible/modules/cron.py
```

##### ANSIBLE VERSION
```
2.12
```

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### STEPS TO REPRODUCE
N/A

##### EXPECTED RESULTS
N/A

##### ACTUAL RESULTS
N/A

return self._update_env(name, decl, self.do_add_env)
    def do_add_env(self, lines, decl):
        lines.append(decl)
    def remove_env(self, name):
        return self._update_env(name, '', self.do_remove_env)
    def do_remove_env(self, lines, decl):
        return None
    def remove_job_file(self):
        try:
            os.unlink(self.cron_file)
            return True
        except OSError:
            
            return False
        except Exception:
            raise CronTabError("Unexpected error:", sys.exc_info()[0])
    def find_job(self, name, job=None):