Drop go report card from README
Drop go report card from README

This repo does not build without bazel so the report cared is permanently an F, displaying it clearly isn't dong any good.

jessfraz/test-infra,michelle192837/test-infra,michelle192837/test-infra,fejta/test-infra,dims/test-infra,kubernetes/test-infra,michelle192837/test-infra,michelle192837/test-infra,fejta/test-infra,dims/test-infra,monopole/test-infra,jessfraz/test-infra,fejta/test-infra,BenTheElder/test-infra,cblecker/test-infra,cjwagner/test-infra,cblecker/test-infra,cblecker/test-infra,michelle192837/test-infra,dims/test-infra,kubernetes/test-infra,cjwagner/test-infra,kubernetes/test-infra,BenTheElder/test-infra,BenTheElder/test-infra,kubernetes/test-infra,monopole/test-infra,BenTheElder/test-infra,jessfraz/test-infra,michelle192837/test-infra,cjwagner/test-infra,BenTheElder/test-infra,fejta/test-infra,jessfraz/test-infra,cjwagner/test-infra,dims/test-infra,cjwagner/test-infra,dims/test-infra,monopole/test-infra,cblecker/test-infra,kubernetes/test-infra,jessfraz/test-infra,fejta/test-infra,monopole/test-infra,kubernetes/test-infra,BenTheElder/test-infra,monopole/test-infra,dims/test-infra,monopole/test-infra,cblecker/test-infra,cblecker/test-infra,fejta/test-infra,jessfraz/test-infra,cjwagner/test-infra