Remove unneeded requirements

sos.spec

@@ -1,7 +1,7 @@
 Summary: A set of tools to gather troubleshooting information from a system
 Name: sos
 Version: 4.5.4
-Release: 1%{?dist}
+Release: 2%{?dist}
 Source0: https://github.com/sosreport/sos/archive/%{version}.tar.gz
 License: GPL-2.0-or-later
 BuildArch: noarch
@@ -9,12 +9,11 @@ Url: https://github.com/sosreport/sos
 BuildRequires: python3-devel
 BuildRequires: python3-setuptools
 Requires: python3-rpm
-Requires: tar
-Requires: xz
 Requires: python3-pexpect
 Requires: python3-setuptools
 Recommends: python3-magic
-Requires: python3-requests
+# Mandatory just for uploading to a SFTP server:
+Recommends: python3-requests
 Recommends: python3-pyyaml
 Obsoletes: sos-collector <= 1.9
 # For the _tmpfilesdir macro.
@@ -67,6 +66,9 @@ rm -rf %{buildroot}/usr/config/
 %config(noreplace) %{_sysconfdir}/sos/sos.conf
 
 %changelog
+* Mon May 29 2023 Sandro Bonazzola <sbonazzo@redhat.com> - 4.5.4-2
+- Remove unneeded requirements
+
 * Mon May 29 2023 Sandro Bonazzola <sbonazzo@redhat.com> - 4.5.4-1
 - Update to 4.5.4
 - Resolves: rhbz#2210423