files removed by previous libxml2 and pkg-config patchs, thanks to Priit Laes

git-svn-id: https://hamlib.svn.sourceforge.net/svnroot/hamlib/trunk@2681 7ae35d74-ebe9-4afe-98af-79ac388436b8

macros/Makefile.am

@@ -8,9 +8,7 @@ MACROS = \
 	gr_pwin32.m4 \
 	gr_swig.m4 \
 	libtool.m4 \
-	libxml2.m4 \
 	ltdl.m4 \
-	pkg.m4 \
 	perl.m4 \
 	python.m4 \
 	tcl.m4