Remove "METADATA" file from bazel-srcs, unbreak Bazel's export pipeline.
Remove "METADATA" file from bazel-srcs, unbreak Bazel's export pipeline.

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PiperOrigin-RevId: 151453214
MOS_MIGRATED_REVID=151453214

safarmer/bazel,perezd/bazel,variac/bazel,dropbox/bazel,werkt/bazel,ulfjack/bazel,aehlig/bazel,variac/bazel,juhalindfors/bazel-patches,variac/bazel,aehlig/bazel,ulfjack/bazel,dropbox/bazel,bazelbuild/bazel,safarmer/bazel,davidzchen/bazel,katre/bazel,snnn/bazel,spxtr/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,damienmg/bazel,ulfjack/bazel,variac/bazel,akira-baruah/bazel,juhalindfors/bazel-patches,cushon/bazel,perezd/bazel,werkt/bazel,bazelbuild/bazel,variac/bazel,aehlig/bazel,perezd/bazel,dslomov/bazel,twitter-forks/bazel,cushon/bazel,ButterflyNetwork/bazel,davidzchen/bazel,safarmer/bazel,damienmg/bazel,aehlig/bazel,ulfjack/bazel,ButterflyNetwork/bazel,spxtr/bazel,meteorcloudy/bazel,dropbox/bazel,akira-baruah/bazel,ButterflyNetwork/bazel,aehlig/bazel,ulfjack/bazel,spxtr/bazel,juhalindfors/bazel-patches,dropbox/bazel,perezd/bazel,snnn/bazel,dslomov/bazel-windows,ulfjack/bazel,meteorcloudy/bazel,werkt/bazel,juhalindfors/bazel-patches,werkt/bazel,damienmg/bazel,cushon/bazel,davidzchen/bazel,snnn/bazel,dslomov/bazel,juhalindfors/bazel-patches,twitter-forks/bazel,perezd/bazel,katre/bazel,katre/bazel,snnn/bazel,davidzchen/bazel,spxtr/bazel,spxtr/bazel,safarmer/bazel,safarmer/bazel,aehlig/bazel,snnn/bazel,variac/bazel,akira-baruah/bazel,ulfjack/bazel,twitter-forks/bazel,dslomov/bazel-windows,variac/bazel,meteorcloudy/bazel,spxtr/bazel,davidzchen/bazel,damienmg/bazel,twitter-forks/bazel,cushon/bazel,katre/bazel,dslomov/bazel,cushon/bazel,katre/bazel,dropbox/bazel,bazelbuild/bazel,dslomov/bazel-windows,cushon/bazel,katre/bazel,safarmer/bazel,bazelbuild/bazel,twitter-forks/bazel,perezd/bazel,meteorcloudy/bazel,dslomov/bazel-windows,ButterflyNetwork/bazel,twitter-forks/bazel,bazelbuild/bazel,twitter-forks/bazel,damienmg/bazel,spxtr/bazel,damienmg/bazel,werkt/bazel,davidzchen/bazel,dslomov/bazel,snnn/bazel,bazelbuild/bazel,akira-baruah/bazel,akira-baruah/bazel,dropbox/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,davidzchen/bazel,damienmg/bazel,werkt/bazel,juhalindfors/bazel-patches,meteorcloudy/bazel,akira-baruah/bazel,dslomov/bazel-windows,dslomov/bazel,juhalindfors/bazel-patches,dslomov/bazel-windows,dslomov/bazel,aehlig/bazel,dslomov/bazel,snnn/bazel,perezd/bazel