[libxml2] Remove broken bakefile support

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 50f6feb9c9d4e8fa92cbaa91199604644e3d87a0
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Tue Mar 1 00:05:54 2022 +0100

    Remove broken bakefile support

 Makefile.am              |   2 +-
 bakefile/Bakefiles.bkgen |  15 -
 bakefile/Readme.txt      |  92 ------
 bakefile/libxml2.bkl     | 745 -----------------------------------------------
 4 files changed, 1 insertion(+), 853 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index bd5b7d36..4ffcea4b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1209,7 +1209,7 @@ cleanup:
 
 dist-hook: cleanup libxml2.spec
        -cp libxml2.spec $(distdir)
-       (cd $(srcdir) ; tar -cf - --exclude .git win32 macos os400 vms VxWorks bakefile test result) | (cd 
$(distdir); tar xf -)
+       (cd $(srcdir) ; tar -cf - --exclude .git win32 macos os400 vms VxWorks test result) | (cd $(distdir); 
tar xf -)
 
 dist-source: distdir
        $(AMTAR) -chof - --exclude Tests --exclude test --exclude result $(distdir) | GZIP=$(GZIP_ENV) gzip 
-c >`echo "$(distdir)" | sed "s+libxml2+libxml2-sources+"`.tar.gz