niri: remove flake input, keyboard scripts

packages/keyboardScripts.nix

@@ -1,38 +0,0 @@
-{ pkgs, lib }:
-let
-  keyboards = {
-    german = {
-      code = "de";
-      variant = "T3";
-    };
-    russian = {
-      code = "ru";
-      variant = "phonetic_winkeys";
-    };
-    greek = {
-      code = "gr";
-      variant = "polytonic";
-    };
-  };
-
-  keyboardScripts = lib.mapAttrs' (
-    name: keyboard:
-    lib.nameValuePair "kb-${name}" (
-      pkgs.writers.writeDashBin "kb-${name}" ''
-        exec ${lib.getExe pkgs.niphas-niri} msg action load-config-file --path ${
-          pkgs.niphas-niri-config-with {
-            input = {
-              keyboard = {
-                xkb.layout = "de,${keyboard.code}";
-                xkb.variant = "T3,${keyboard.variant}";
-                xkb.options = "compose:caps,grp:ctrls_toggle";
-                numlock = null;
-              };
-            };
-          }
-        }
-      ''
-    )
-  ) keyboards;
-in
-keyboardScripts