unicode/utf8: remove init from utf8_test
TestConstants and init test the same thing, remove init,
it does not exist in utf16_test.go either.
Fixes #71579
Change-Id: Ie0afd640bebde822733b6eac0bf98a17872f4e5f
GitHub-Last-Rev:
d7224c18376e00038261279abdfa954abc3a8303
GitHub-Pull-Request: golang/go#71582
Reviewed-on: https://go-review.googlesource.com/c/go/+/647335
Commit-Queue: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: qiu laidongfeng2 <2645477756@qq.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>