Revert "IRB is improved with Reline and RDoc"

This reverts commit 7f273ac6d0f05208b5b228da95205e20c0e8286c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 10 deletions

diff --git a/lib/irb/completion.rb b/lib/irb/completion.rb
index a8f462f2fd..390e7254dd 100644
--- a/lib/irb/completion.rb
+++ b/lib/irb/completion.rb
@@ -8,10 +8,11 @@
 #
 
 require "readline"
-require "rdoc"
 
 module IRB
   module InputCompletor # :nodoc:
+
+
     # Set of reserved words used by Ruby, you should not use these for
     # constants or variables
     ReservedWords = %w[
@@ -194,14 +195,6 @@ module IRB
       end
     }
 
-    RDocRIDriver = RDoc::RI::Driver.new
-    PerfectMatchedProc = proc { |matched|
-      begin
-        RDocRIDriver.display_name(matched)
-      rescue RDoc::RI::Driver::NotFoundError
-      end
-    }
-
     # Set of available operators in Ruby
     Operators = %w[% & * ** + - / < << <= <=> == === =~ > >= >> [] []= ^ ! != !~]
 
@@ -249,4 +242,3 @@ if Readline.respond_to?("basic_word_break_characters=")
 end
 Readline.completion_append_character = nil
 Readline.completion_proc = IRB::InputCompletor::CompletionProc
-Readline.dig_perfect_match_proc = IRB::InputCompletor::PerfectMatchedProc