This is no longer needed with the static generated code baking.

Bug: angleproject:3320 
Change-Id: Id549792bf0e1d3e0433904a666d70630278b15c4
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1869547Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>