remove references to goma

goma is not maintained anymore.

Bug: 41489832
Change-Id: Iada022ac9067688cc10effac2b61a13e43ee50cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/third_party/instrumented_libraries/+/5552781
Reviewed-by: Thomas Anderson <[email protected]>
Reviewed-by: Alexander Potapenko <[email protected]>
2 files changed