Fix misc tasks that change on every run

e.g.

TASK [common : Configure authselect for RedHat] ****************************************************************************************************************
changed: [control-ans-test-rhel8a.internal.ncsa.edu]                                                                                                            

TASK [common : Enable authselect with-pamaccess for RedHat] ****************************************************************************************************
changed: [control-ans-test-rhel8a.internal.ncsa.edu]
                                                                                                                                                                
TASK [common : Enable authselect with-mkhomedir for RedHat] ****************************************************************************************************
changed: [control-ans-test-rhel8a.internal.ncsa.edu]                                                                                                            

TASK [common : Check if the host is a VM] **********************************************************************************************************************
changed: [control-ans-test-rhel8a.internal.ncsa.edu]

TASK [common : Check for NFSv3 mounts] *************************************************************************************************************************
changed: [control-ans-test-rhel8a.internal.ncsa.edu]