deb/rpm packaging: Drop dependency on autoconf-archive

it is not needed since ec37263a376ee29dca5a7e3da93149353cb365f4.

Change-Id: I729b7dc0f2971b959810a46baa8a344e8b71e4a4
diff --git a/contrib/osmo-smlc.spec.in b/contrib/osmo-smlc.spec.in
index 4984efc..a5852b8 100644
--- a/contrib/osmo-smlc.spec.in
+++ b/contrib/osmo-smlc.spec.in
@@ -25,7 +25,6 @@
 URL:            https://osmocom.org/projects/osmo-smlc
 Source:         %{name}-%{version}.tar.xz
 BuildRequires:  autoconf
-BuildRequires:  autoconf-archive
 BuildRequires:  automake >= 1.9
 BuildRequires:  libtool >= 2
 BuildRequires:  pkgconfig >= 0.20
diff --git a/debian/control b/debian/control
index f599992..e53baa1 100644
--- a/debian/control
+++ b/debian/control
@@ -6,7 +6,6 @@
                dh-autoreconf,
                autotools-dev,
                autoconf,
-               autoconf-archive,
                automake,
                libtool,
                pkg-config,