Revert "[Document][Array] Add missing call-seq for Array#append"
This reverts commit ac1a4bccbda4358436a7a907a7f09d047f562740.
See https://github.com/ruby/ruby/pull/4088
Revert "[Document][Array] Add missing call-seq for Array#append"
This reverts commit ac1a4bccbda4358436a7a907a7f09d047f562740.
See https://github.com/ruby/ruby/pull/4088