Update FAQ about supported language
Update FAQ about supported language

This part was mostly out of date and it will be hard to maintain
the list of languages in many places, removed it.

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MOS_MIGRATED_REVID=104292596

davidzchen/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website,bazelbuild/bazel-website,bazelbuild/bazel-website,davidzchen/bazel-website,bazelbuild/bazel-website