[ruby/rubygems] Removed deprecated Gem::Util.silent_system

https://github.com/ruby/rubygems/commit/728269cc4a

lib/rubygems/util.rb

@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative "deprecate"
-
 ##
 # This module contains various utility methods as module methods.
 
@@ -56,26 +54,6 @@ module Gem::Util
     IO.popen command, &:read
   end
 
-  ##
-  # Invokes system, but silences all output.
-
-  def self.silent_system(*command)
-    opt = { out: IO::NULL, err: [:child, :out] }
-    if Hash === command.last
-      opt.update(command.last)
-      cmds = command[0...-1]
-    else
-      cmds = command.dup
-    end
-    system(*(cmds << opt))
-  end
-
-  class << self
-    extend Gem::Deprecate
-
-    rubygems_deprecate :silent_system
-  end
-
   ##
   # Enumerates the parents of +directory+.
 

test/rubygems/test_gem_util.rb

@@ -13,17 +13,6 @@ class TestGemUtil < Gem::TestCase
     end
   end
 
-  def test_silent_system
-    pend if Gem.java_platform?
-    Gem::Deprecate.skip_during do
-      out, err = capture_output do
-        Gem::Util.silent_system(*ruby_with_rubygems_in_load_path, "-e", 'puts "hello"; warn "hello"')
-      end
-      assert_empty out
-      assert_empty err
-    end
-  end
-
   def test_traverse_parents
     FileUtils.mkdir_p "a/b/c"