[ruby/irb] Deprecate USE_RELINE and USE_REIDLINE
Based on this commit: https://github.com/ruby/irb/commit/93f87ec65344b44123b0150a5fc07de1fd4c80c4
It appears that the maintainer @aycabta (aycabta .) wanted to deprecate any USE_*LINE configs in favor of USE_MULTILINE. So we should deprecate USE_RELINE as well.
USE_*LINE
USE_MULTILINE
USE_RELINE
https://github.com/ruby/irb/commit/478f19f3ae
[ruby/irb] Deprecate USE_RELINE and USE_REIDLINE
Based on this commit: https://github.com/ruby/irb/commit/93f87ec65344b44123b0150a5fc07de1fd4c80c4
It appears that the maintainer @aycabta (aycabta .) wanted to deprecate any
USE_*LINEconfigs in favor ofUSE_MULTILINE. So we should deprecateUSE_RELINEas well.https://github.com/ruby/irb/commit/478f19f3ae