pkgs/tools/backup: remove dead code

with the help of deadnix & nil

pkgs/tools/backup/bupstash/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, installShellFiles, rustPlatform, ronn, pkg-config, libsodium }:
+{ lib, fetchFromGitHub, installShellFiles, rustPlatform, ronn, pkg-config, libsodium }:
 rustPlatform.buildRustPackage rec {
   pname = "bupstash";
   version = "0.12.0";

pkgs/tools/backup/discordchatexporter-cli/default.nix

@@ -1,7 +1,6 @@
 { lib
 , buildDotnetModule
 , fetchFromGitHub
-, dotnetCorePackages
 , testers
 , discordchatexporter-cli
 }:

pkgs/tools/backup/duplicity/default.nix

@@ -1,6 +1,5 @@
 { lib, stdenv
 , fetchFromGitLab
-, fetchpatch
 , python3
 , librsync
 , ncftp
@@ -14,8 +13,6 @@
 }:
 let
   pythonPackages = python3.pkgs;
-  inherit (lib.versions) majorMinor splitVersion;
-  majorMinorPatch = v: builtins.concatStringsSep "." (lib.take 3 (splitVersion v));
 in
 pythonPackages.buildPythonApplication rec {
   pname = "duplicity";

pkgs/tools/backup/gphotos-sync/default.nix

@@ -1,7 +1,5 @@
 { lib
-, pkgs
 , fetchFromGitHub
-, fetchpatch
 , python3
 , ffmpeg
 }:

pkgs/tools/backup/restic/rest-server.nix

@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub, fetchpatch }:
+{ lib, buildGoModule, fetchFromGitHub }:
 
 buildGoModule rec {
   pname = "restic-rest-server";

pkgs/tools/backup/tarsnap/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, openssl, zlib, e2fsprogs, bash, bzip2 }:
+{ lib, stdenv, fetchurl, openssl, zlib, e2fsprogs, bzip2 }:
 
 let
   zshCompletion = fetchurl {

pkgs/tools/backup/zbackup/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch
+{ lib, stdenv, fetchFromGitHub
 , cmake, protobufc
 , libunwind, lzo, openssl, protobuf, zlib
 }:

pkgs/tools/backup/zfsbackup/default.nix

@@ -1,7 +1,6 @@
 { lib
 , buildGoModule
 , fetchFromGitHub
-, zfs
 }:
 
 buildGoModule rec {

pkgs/tools/backup/zrepl/default.nix

@@ -4,7 +4,6 @@
 , makeWrapper
 , nixosTests
 , openssh
-, fetchpatch
 }:
 buildGoModule rec {
   pname = "zrepl";