Fixes the problem where service module is unavailable on RedHat, CentOs 

Fixes the problem where service module is unavailable on RedHat, CentOs and Scientific Linux

Fixes: https://github.com/saltstack/salt/issues/13703

Earlier:
```
nitin-saltminion1:
----------
          ID: autofs
    Function: pkg.installed
      Result: True
     Comment: Package autofs is already installed.
     Started: 20:07:13.514544
     Duration: 390 ms
     Changes:   
----------
          ID: autofs
    Function: service.running
      Result: False
     Comment: State 'service.running' found in SLS 'curhel6.test' is unavailable
     Started: 
     Duration: 
     Changes:   

Summary
------------
Succeeded: 1
Failed:    1
------------
Total states run:     2
```

After Fixing:
```
nitin-saltminion1:
----------
          ID: autofs
    Function: pkg.installed
      Result: True
     Comment: Package autofs is already installed.
     Started: 13:59:51.288471
     Duration: 392 ms
     Changes:   
----------
          ID: autofs
    Function: service.running
      Result: None
     Comment: Service autofs is set to start
     Started: 13:59:51.681372
     Duration: 25 ms
     Changes:   

Summary
------------
Succeeded: 2 (unchanged=1)
Failed:    0
------------
Total states run:     2
```