rsync: avoid popt, split binaries from manpages

overlay/default.nix

@@ -128,7 +128,10 @@ in {
       "rm $out/bin/c_rehash"; # eliminate the perl runtime dependency
   });
 
-  rsync = overrideHost rsync { enableACLs = false; };
+  rsync = overrideHostAttrs (overrideHost rsync {
+    enableACLs = false;
+    popt = null;
+  }) (attrs: { outputs = [ "out" "man" ]; });
 
   solo5-tools = callPackage ./solo5-tools { };