chore(glittershark): Remove everything Urbint related

bye urbint!

Change-Id: I87ded275e6e5298e4e29c38775bae47a8fc07bac
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2149
Reviewed-by: glittershark <grfn@gws.fyi>
Tested-by: BuildkiteCI

users/glittershark/system/home/modules/development/urbint.nix

@@ -1,55 +0,0 @@
-# urbint-only dev stuff
-{ config, lib, pkgs, ... }:
-
-let
-
-  yarn2nix = (import (pkgs.fetchFromGitHub {
-    owner = "moretea";
-    repo = "yarn2nix";
-    rev = "9e7279edde2a4e0f5ec04c53f5cd64440a27a1ae";
-    sha256 = "0zz2lrwn3y3rb8gzaiwxgz02dvy3s552zc70zvfqc0zh5dhydgn7";
-  }) { inherit pkgs; }).yarn2nix;
-
-in
-
-{
-  home.packages = with pkgs; [
-    yarn2nix
-    python36
-    python36Packages.ipython
-  ];
-
-  programs.zsh = {
-    shellAliases = {
-      ipy = "ipython";
-      amerge = "alembic merge heads";
-    };
-
-    functions = {
-      aup = "alembic upgrade \${1:-head}";
-      adown = "alembic downgrade \${1:--1}";
-    };
-  };
-
-  programs.git = {
-    extraConfig.filter.black100to80 =
-      let inherit (pkgs.python36Packages) black; in {
-        clean = "${black}/bin/black --target-version py36 -l 100 -";
-        smudge = "${black}/bin/black --target-version py36 -l 80 -";
-      };
-
-
-    includes = [{
-      condition = "gitdir:~/code/urb/";
-      contents = {
-        user.email = "grfn@urbint.com";
-      };
-    }];
-  };
-
-  home.file.".ipython/profile_default/ipython_config.py".text = ''
-    c.InteractiveShellApp.exec_lines = ['%autoreload 2']
-    c.InteractiveShellApp.extensions = ['autoreload']
-    c.TerminalInteractiveShell.editing_mode = 'vi'
-  '';
-}