Remove cruft from Makefile.am

We don't really need the maintainer-clean thing - we've got git for
that. But also, add README.rst and bindep.txt to EXTRA_DIST.

Makefile.am

@@ -1,17 +1,17 @@
-# Copyright (c) 2016 Red Hat, Inc.
+# Copyright (c) 2019 Red Hat, Inc.
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 ACLOCAL_AMFLAGS = -I m4
 
@@ -21,38 +21,10 @@ SUBDIRS= .
 
 DIST_SUBDIRS = ${SUBDIRS}
 
-EXTRA_DIST= \
-	    config/pandora_vc_revinfo \
-            config/config.rpath \
-	    ${top_srcdir}/m4/*m4
-
-DISTCLEANFILES=		config/top.h
-
-MAINTAINERCLEANFILES=
-MAINTAINERCLEANFILES+= autom4te.cache
-
-maintainer-clean-local:
-	find . -type f -name '*~' -exec rm -f '{}' \;
-	-rm -rf @PACKAGE@-*.rpm
-	-rm -rf @PACKAGE@-*.tar.gz
-	-rm -r -f autom4te.cache
-	-rm -f Makefile.in
-	-rm -f aclocal.m4
-	-rm -f config/config.guess
-	-rm -f config/config.sub
-	-rm -f config/depcomp
-	-rm -f config/install-sh
-	-rm -f config/ltmain.sh
-	-rm -f config/missing
-	-rm -f config.in
-	-rm -f config.log
-	-rm -f config.status
-	-rm -f configure
-	-rm -f m4/libtool.m4
-	-rm -f m4/ltoptions.m4
-	-rm -f m4/ltsugar.m4
-	-rm -f m4/ltversion.m4
-	-rm -f m4/lt~obsolete.m4
+EXTRA_DIST = \
+	${top_srcdir}/m4/*m4 \
+	${top_srcdir}/bindep.txt \
+	${top_srcdir}/README.rst
 
 
 bin_PROGRAMS = zuul-preview/zuul-preview