treewide: move build helper to more fitting places

Change-Id: I3d0cfe9283222d403ae369ec9db09201ad511e15
Reviewed-on: https://review.monogon.dev/c/monogon/+/3327
Reviewed-by: Serge Bazanski <serge@monogon.tech>
Tested-by: Jenkins CI
diff --git a/metropolis/build/kube-code-generator/defs.bzl b/metropolis/build/kube-code-generator/defs.bzl
index 7d431ef..2bc32bf 100644
--- a/metropolis/build/kube-code-generator/defs.bzl
+++ b/metropolis/build/kube-code-generator/defs.bzl
@@ -168,7 +168,7 @@
 )
 
 # _gotool_run is a helper function which runs an executable under
-# //metropolis/build/gotoolwrap, effectively setting up everything required to
+# //osbase/build/gotoolwrap, effectively setting up everything required to
 # use standard Go tooling on the monogon workspace (ie. GOPATH/GOROOT). This is
 # required by generators to run 'go fmt'.
 #
@@ -524,7 +524,7 @@
             default = "@io_bazel_rules_go//:go_context_data",
         ),
         "_gotoolwrap": attr.label(
-            default = Label("//metropolis/build/gotoolwrap"),
+            default = Label("//build/gotoolwrap"),
             allow_single_file = True,
             executable = True,
             cfg = "exec",