r22666 - gnucash/trunk/src/scm - Drop obsolete custom string-join definition.

[Geert Janssens]

Author: gjanssens
Date: 2012-12-18 05:25:18 -0500 (Tue, 18 Dec 2012)
New Revision: 22666
Trac: http://svn.gnucash.org/trac/changeset/22666

Modified:
   gnucash/trunk/src/scm/main.scm
Log:
Drop obsolete custom string-join definition.

string-join has been a built-in function at least since guile 1.8.