Merge #13809: contrib: Remove debian and rpm subfolder

fa0e1e2 contrib: Remove debian and rpm subfolders (MarcoFalke)

Pull request description:

  The folders are now located here:

  * https://github.com/bitcoin-core/packaging/tree/master/debian
  * https://github.com/bitcoin-core/packaging/tree/master/rpm

  Note that I kept the copyright file, so that it can be updated for our purposes in the commit that adds new files.

Tree-SHA512: 4c919e8e04cdcc56f2c4c16e83c68d5ec74b7e4438ca54222a37f85cf604b77880393d1a0004f16f270ab04ee00b2060129c5c2e0b34815679940f1c3b5754f3

Author: MarcoFalke

Makefile.am

@@ -42,8 +42,7 @@ DIST_CONTRIB = $(top_srcdir)/contrib/bitcoin-cli.bash-completion \
 	       $(top_srcdir)/contrib/bitcoin-tx.bash-completion \
 	       $(top_srcdir)/contrib/bitcoind.bash-completion \
 	       $(top_srcdir)/contrib/init \
-	       $(top_srcdir)/contrib/install_db4.sh \
-	       $(top_srcdir)/contrib/rpm
+	       $(top_srcdir)/contrib/install_db4.sh
 DIST_SHARE = \
   $(top_srcdir)/share/genbuild.sh \
   $(top_srcdir)/share/rpcauth

contrib/README.md

@@ -21,9 +21,10 @@ Utility to generate the pnSeed[] array that is compiled into the client.
 Build Tools and Keys
 ---------------------
 
-### [Debian](/contrib/debian) ###
-Contains files used to package bitcoind/bitcoin-qt
-for Debian-based Linux systems. If you compile bitcoind/bitcoin-qt yourself, there are some useful files here.
+### Packaging ###
+The [Debian](/contrib/debian) subfolder contains the copyright file.
+
+All other packaging related files can be found in the [bitcoin-core/packaging](https://github.com/bitcoin-core/packaging) repository.
 
 ### [Gitian-descriptors](/contrib/gitian-descriptors) ###
 Files used during the gitian build process. For more information about gitian, see the [the Bitcoin Core documentation repository](https://github.com/bitcoin-core/docs).
@@ -34,9 +35,6 @@ PGP keys used for signing Bitcoin Core [Gitian release](/doc/release-process.md)
 ### [MacDeploy](/contrib/macdeploy) ###
 Scripts and notes for Mac builds. 
 
-### [RPM](/contrib/rpm) ###
-RPM spec file for building bitcoin-core on RPM based distributions.
-
 ### [Gitian-build](/contrib/gitian-build.py) ###
 Script for running full Gitian builds.