Remove unused files

home/programs/git/signing.nix

@@ -1,12 +0,0 @@
-# This file is used to sign git commits using an SSH key.
-{
-  # Obviously, change this to your own SSH key.
-  home.file.".ssh/allowed_signers".text = "* ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIINhWby7lUUXQNKbRu9/UOrGjWDf3fvoAwGHomWv/+lL";
-
-  programs.git.settings = {
-    commit.gpgsign = true;
-    gpg.ssh.allowedSignersFile = "~/.ssh/allowed_signers";
-    gpg.format = "ssh";
-    user.signingkey = "~/.ssh/key.pub";
-  };
-}