[ruby/reline] [ruby/reline] Remove unused `attr_writer`

https://github.com/ruby/reline/commit/ecdc1b7116 https://github.com/ruby/reline/commit/a7922da16b
2020-12-22 13:59:14 +09:00 · 2020-12-22 13:59:14 +09:00 · 53510d1e8a
--- a/lib/reline.rb
+++ b/lib/reline.rb
@ -36,7 +36,6 @@ module Reline
    attr_accessor :config
    attr_accessor :key_stroke
    attr_accessor :line_editor
-    attr_writer :ambiguous_width
    attr_accessor :last_incremental_search
    attr_reader :output