Revert "Always use the BUILD files from bazelbuild-rules_go"

Revert submission 2626204-rules_go_repo

Reason for revert: breaks the aosp_kernel-build-tools (https://ci.android.com/builds/branches/aosp_kernel-build-tools/grid)
Reverted changes: /q/submissionid:2626204-rules_go_repo

Change-Id: I912050a50313fe6a951f675664035857d89c0194