do not keep half-baked C API for now

quagga/quagga.spec

@@ -97,6 +97,8 @@ Conflicts:    zebra
     rm -f $RPM_BUILD_ROOT%{l_prefix}/man/man8/ospf6d.8
     rm -f $RPM_BUILD_ROOT%{l_prefix}/man/man8/ripngd.8
     rm -f $RPM_BUILD_ROOT%{l_prefix}/info/dir
+    rm -rf $RPM_BUILD_ROOT%{l_prefix}/include
+    rm -rf $RPM_BUILD_ROOT%{l_prefix}/lib
     strip $RPM_BUILD_ROOT%{l_prefix}/sbin/* >/dev/null 2>&1 || true
 
     #   replace default configuration