Remove usage of VMDBLogger#filename
Remove usage of VMDBLogger#filename

progname is an existing public method that we now leverage, so we don't
need filename.

jrafanie/manageiq,mzazrivec/manageiq,agrare/manageiq,agrare/manageiq,jrafanie/manageiq,mzazrivec/manageiq,jrafanie/manageiq,kbrock/manageiq,mzazrivec/manageiq,agrare/manageiq,ManageIQ/manageiq,kbrock/manageiq,ManageIQ/manageiq,agrare/manageiq,ManageIQ/manageiq,kbrock/manageiq,ManageIQ/manageiq,mzazrivec/manageiq,kbrock/manageiq,jrafanie/manageiq