build/analysis: move nogo configuration

This moves the nogo config JSON file from the root of the repository,
and cleans up the BUILD file in preparation for adding extra, possibly
custom, analyzers.

Change-Id: Id85c9cd8515b9178712329fe425c1e1740f04d8b
Reviewed-on: https://review.monogon.dev/c/monogon/+/65
Reviewed-by: Leopold Schabel <leo@nexantic.com>
diff --git a/WORKSPACE b/WORKSPACE
index fad54e5..37eca88 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -66,7 +66,7 @@
 
 go_register_toolchains(
     go_version = "1.14",
-    nogo = "@//:nogo_vet",
+    nogo = "@dev_source_monogon//build/analysis:nogo",
 )
 
 load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies")