chore(nix/fetchGoModule): Move //users/edef/fetchGoModule to //nix

Change-Id: Ie7f52367ef91c0c8017a36c2a6c7edb06f10e57d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1589
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>

users/edef/fetchGoModule.nix

@@ -1,24 +0,0 @@
-{ pkgs, ... }:
-
-{ path, version, sha256 }:
-
-(pkgs.fetchurl {
-  name = "source";
-  url = "https://proxy.golang.org/${path}/@v/v${version}.zip";
-  inherit sha256;
-
-  recursiveHash = true;
-  downloadToTemp = true;
-
-  postFetch = ''
-    unpackDir="$TMPDIR/unpack"
-    mkdir "$unpackDir"
-    cd "$unpackDir"
-
-    mv "$downloadedFile" "$TMPDIR/src.zip"
-    unpackFile "$TMPDIR/src.zip"
-    mv "$unpackDir/${path}@v${version}" "$out"
-  '';
-}).overrideAttrs ({ nativeBuildInputs ? [], ... }: {
-  nativeBuildInputs = nativeBuildInputs ++ [ pkgs.unzip ];
-})

users/edef/loxy.nix

@@ -2,7 +2,7 @@
 
 let
 
-  inherit (depot.users.edef) fetchGoModule;
+  inherit (depot.nix) fetchGoModule;
 
 in