Summary:
Recent updates to bazel render cc_configure unnecessary. This also fixes
static libstdc++ builds.

Change gcc/clang to be config based. `bazel build --config=gcc` to get gcc. Clang is default.

Test Plan: Jenkins

Reviewers: michelle, oazizi, #engineering

Reviewed By: oazizi, #engineering

Differential Revision: https://phab.corp.pixielabs.ai/D2745

GitOrigin-RevId: 5c32408363f5d76c87d74fee1a0e700d6bb202f1