Remove unneeded ripper requires

Ripper is either not used or loaded where it is actually needed

Author: Earlopain

lib/prism/translation/ripper.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 # :markup: markdown
 
-require "ripper"
-
 module Prism
   module Translation
     # This class provides a compatibility layer between prism and Ripper. It

rakelib/lex.rake

@@ -126,7 +126,6 @@ TARGETS.each do |name, target|
   desc "Lex #{repo} and compare with lex_compat"
   task "lex:#{name}" => [dirpath, :compile] do
     $:.unshift(File.expand_path("../lib", __dir__))
-    require "ripper"
     require "prism"
 
     plain_text = ENV.fetch("CI", false)
@@ -169,7 +168,6 @@ end
 desc "Lex files and compare with lex_compat"
 task lex: :compile do
   $:.unshift(File.expand_path("../lib", __dir__))
-  require "ripper"
   require "prism"
 
   plain_text = ENV.fetch("CI", false)
@@ -201,7 +199,6 @@ desc "Lex against the most recent version of various rubygems"
 task "lex:rubygems": [:compile, "tmp/failing"] do
   $:.unshift(File.expand_path("../lib", __dir__))
   require "net/http"
-  require "ripper"
   require "rubygems/package"
   require "tmpdir"
   require "prism"
@@ -333,7 +330,6 @@ desc "Lex against the top 100 rubygems"
 task "lex:topgems": ["download:topgems", :compile] do
   $:.unshift(File.expand_path("../lib", __dir__))
   require "net/http"
-  require "ripper"
   require "rubygems/package"
   require "tmpdir"
   require "prism"

test/prism/magic_comment_test.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require_relative "test_helper"
+require "ripper"
 
 module Prism
   class MagicCommentTest < TestCase

test/prism/ruby/ripper_test.rb

@@ -3,6 +3,7 @@
 return if RUBY_VERSION < "3.3" || RUBY_ENGINE != "ruby"
 
 require_relative "../test_helper"
+require "ripper"
 
 module Prism
   class RipperTest < TestCase

test/prism/test_helper.rb

@@ -2,7 +2,6 @@
 
 require "prism"
 require "pp"
-require "ripper"
 require "stringio"
 require "test/unit"
 require "tempfile"