Fix FTBFS - Remove libpq-devel requirement, it conflicts with postgresql-server-devel dependencies

kea.spec

@@ -6,7 +6,7 @@
 
 Name:           kea
 Version:        1.9.8
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        DHCPv4, DHCPv6 and DDNS server from ISC
 
 License:        MPLv2.0 and Boost
@@ -31,7 +31,6 @@ BuildRequires: mariadb-connector-c-devel
 # TODO: propose upstream fix so this is not needed (no server-side related
 # headers nor configuration should be needed)
 BuildRequires: postgresql-server-devel
-BuildRequires: libpq-devel
 %else
 # %%configure --with-dhcp-mysql
 BuildRequires: mariadb-devel
@@ -220,6 +219,10 @@ EOF
 
 
 %changelog
+* Tue Jul 27 2021 Filip Januš <fjanus@redhat.com> - 1.9.8-3
+- Remove libpq-devel requirement, it conflicts with postgresql-server-devel
+  dependencies
+
 * Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.9.8-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild