nginx: fix build by not attempting to use a patch

It failed since 3c6efec2c0, i.e. #4453.
Now it should "work" the same as before.

CC maintainers: @thoughtpolice & @7c6f434c.

pkgs/top-level/all-packages.nix

@@ -7303,7 +7303,7 @@ let
   nginx = callPackage ../servers/http/nginx {
     rtmp        = true;
     fullWebDAV  = true;
-    syslog      = true;
+    syslog      = false; # the patch is not found
     moreheaders = true;
   };