third_party/fuchsia: Drop -Wno-nested-anon-types
third_party/fuchsia: Drop -Wno-nested-anon-types

The -Wnested-anon-types warning was fixed in the Fuchsia repository.

Fixes: b/243045403
Change-Id: Ia40a57b8ad11e443ac59ab7f8f0e61834fc009f1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/108554
Pigweed-Auto-Submit: Wyatt Hepler <cca3bedb37979eacd157a9bceb473582df8aea1e@google.com>
Reviewed-by: Matthias Guenther <aebfab562a30dd63c351a5f7362e95fd963f583b@google.com>
Reviewed-by: Ted Pudlik <c7372cc3e451acc046049fca9e050bcb2a4a3d11@google.com>
Commit-Queue: Auto-Submit <14637eda5603879df170705285bf30f5996692f0@pigweed.google.com.iam.gserviceaccount.com>

google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed