Remove explicit Requires for libraries

The binary is linked against all the libraries provided by these
packages. The guidelines don't allow stating them as Requires
(https://docs.fedoraproject.org/en-US/packaging-guidelines/#_explicit_requires)

rng-tools.spec

@@ -4,7 +4,7 @@
 Summary:        Random number generator related utilities
 Name:           rng-tools
 Version:        6.7
-Release:        3%{?dist}
+Release:        4%{?dist}
 License:        GPLv2+
 URL:            https://github.com/nhorman/rng-tools
 Source0:        https://github.com/nhorman/rng-tools/archive/rng-tools-%{version}.tar.gz
@@ -27,10 +27,6 @@ BuildRequires: libp11-devel
 Requires(post): systemd-units
 Requires(preun): systemd-units
 Requires(postun): systemd-units
-Requires: libgcrypt libsysfs
-Requires: openssl libxml2 libcurl
-Requires: jitterentropy
-Requires: openssl-pkcs11
 Provides: jitterentropy-rngd
 
 %description
@@ -70,6 +66,9 @@ install -Dt %{buildroot}%{_unitdir} -m0644 %{SOURCE1}
 %attr(0644,root,root)   %{_unitdir}/rngd.service
 
 %changelog
+* Mon Aug 05 2019 Volker Froehlich <volker27@gmx.at> - 6.7-4
+- Remove explicit Requires for libraries
+
 * Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 6.7-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild