Update CONTRIBUTING.md (#326)
Update CONTRIBUTING.md (#326)

This file described the process for contributing to Bazel, which is
not how this project works.

[skip ci]
bazelbuild/rules_go,Xjs/rules_go,Xjs/rules_go,Xjs/rules_go,linuxerwang/rules_go,Xjs/rules_go,bazelbuild/rules_go,bazelbuild/rules_go,bazelbuild/rules_go,linuxerwang/rules_go,linuxerwang/rules_go,bazelbuild/rules_go,Xjs/rules_go,linuxerwang/rules_go,linuxerwang/rules_go