sys-devel/gcc: Disable go modules.

ChromeOS reference CL:
https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/7a3b4d6c5d39502f568d96046da9262a0c7368fe%5E%21/#F1

BUG=b/254691844
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Iefdd6b21344decbf8863ae9d10a4d07514fcc375
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/chromiumos-overlay/+/38788
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>
2 files changed