Refactorization of fs_home service
Refactorization of fs_home service

 - fix wrong indentation
 - rename wrong named variables
 - use variable login when it is more human readable
 - remove unsued lines with comments
 - this change doesn't have any influence on service behavior

CESNET/perun-services,sustr4/perun-services,zlamalp/perun-services,sustr4/perun-services,sustr4/perun-services,CESNET/perun-services,stavamichal/perun-services,CESNET/perun-services,zlamalp/perun-services,sustr4/perun-services,stavamichal/perun-services,stavamichal/perun-services,stavamichal/perun-services,CESNET/perun-services,zlamalp/perun-services,zlamalp/perun-services