Translator: Don't differentiate static read vs write In the end, the only thing that matters is whether a symbol is statically used, so no need to track whether the static use was in a read or a write context. Bug: angleproject:349994211 Change-Id: I4964fc9f76a5f7798f1b5e42ce2ae997dca78063 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6976297 Reviewed-by: Yuxin Hu <yuxinhu@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org>