Merge pull request #9090 from ruby/removed-unused-deprecation

Removed unused `Gem::Deprecate`

Author: hsbt

lib/rubygems/dependency_installer.rb

@@ -7,14 +7,12 @@
 require_relative "spec_fetcher"
 require_relative "user_interaction"
 require_relative "available_set"
-require_relative "deprecate"
 
 ##
 # Installs a gem along with all its dependencies from local and remote gems.
 
 class Gem::DependencyInstaller
   include Gem::UserInteraction
-  extend Gem::Deprecate
 
   DEFAULT_OPTIONS = { # :nodoc:
     env_shebang: false,

lib/rubygems/dependency_list.rb

@@ -7,7 +7,6 @@
 #++
 
 require_relative "vendored_tsort"
-require_relative "deprecate"
 
 ##
 # Gem::DependencyList is used for installing and uninstalling gems in the

lib/rubygems/exceptions.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require_relative "deprecate"
 require_relative "unknown_command_spell_checker"
 
 ##

lib/rubygems/gem_runner.rb

@@ -8,7 +8,6 @@
 
 require_relative "../rubygems"
 require_relative "command_manager"
-require_relative "deprecate"
 
 ##
 # Run an instance of the gem program.

lib/rubygems/user_interaction.rb

@@ -6,7 +6,6 @@
 # See LICENSE.txt for permissions.
 #++
 
-require_relative "deprecate"
 require_relative "text"
 
 ##
@@ -170,8 +169,6 @@ def verbose(msg = nil)
 # Gem::StreamUI implements a simple stream based user interface.
 
 class Gem::StreamUI
-  extend Gem::Deprecate
-
   ##
   # The input stream