switch from alejandra -> nixpkgs-fmt

alejandra has someone questionable choices for formatting that no one would apply to there code if they would format manually.
nixpkgs-fmt seems to produce more readable results.

pkgs/go-ssb/default.nix

@@ -1,7 +1,7 @@
-{
-  lib,
-  buildGoModule,
-  fetchFromGitHub,
+{ lib
+, buildGoModule
+, fetchFromGitHub
+,
 }:
 buildGoModule rec {
   pname = "go-ssb";
@@ -17,7 +17,7 @@ buildGoModule rec {
 
   vendorHash = "sha256-ZytuWFre7Cz6Qt01tLQoPEuNzDIyoC938OkdIrU8nZo=";
 
-  ldflags = ["-s" "-w"];
+  ldflags = [ "-s" "-w" ];
 
   # take very long
   doCheck = false;
@@ -26,6 +26,6 @@ buildGoModule rec {
     description = "Go implementation of ssb (work in progress)";
     homepage = "https://github.com/ssbc/go-ssb";
     license = licenses.mit;
-    maintainers = with maintainers; [];
+    maintainers = with maintainers; [ ];
   };
 }