Don't try to recreate COPYING symlink

Since automake is initialized with "foreign" for quite some while,
it shouldn't touch these files anymore.

configure.ac

@@ -520,8 +520,6 @@
 RELDATE=`date +'%a %b %e %Y'`
 AC_SUBST(RELDATE)
 
-rm -f COPYING.LIB COPYING 2>/dev/null && $LN_S $srcdir/Copyright COPYING
-
 
 AC_CONFIG_FILES([
 Makefile