Drop option to customize gconf_path via command line or environment variable

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23253 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate remaining gconf calls in check printing

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23254 57a11ea4-9604-0410-9ed3-97b8803252fd