html/template: remove unused `mode` field on `Tree` struct
This changes Go, to remove this unused field on the `Tree` struct. Which seems to replaced by the non-private field `Mode`.
Change-Id: I5b384424cf60aa0af36eb8aad1d8db3f99b9838e
GitHub-Last-Rev:
4b033f967b55ff99df8a969ac1c91c358b82b726
GitHub-Pull-Request: golang/go#48028
Reviewed-on: https://go-review.googlesource.com/c/go/+/345789
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>