Refactor packages

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

lib/runtime/merge/default.nix

@@ -1,6 +1,6 @@
-{ lib, pkgs, ... }:
+{ pkgs, ... }:
 {
-  keyValue = lib.meta.getExe (
+  keyValue = "${
     pkgs.writeShellApplication {
       name = "merge-key-value";
       runtimeInputs = with pkgs; [
@@ -9,5 +9,5 @@
       ];
       text = builtins.readFile ./key-value.sh;
     }
-  );
+  }/bin/merge-key-value";
 }