Remove ActiveSupport::Benchmarkable#silence was deprecated.

activerecord/test/cases/base_test.rb

@@ -1228,38 +1228,6 @@ def test_assert_queries
     assert_no_queries { assert true }
   end
 
-  def test_silence_sets_log_level_to_error_in_block
-    original_logger = ActiveRecord::Base.logger
-
-    assert_deprecated do
-      log = StringIO.new
-      ActiveRecord::Base.logger = ActiveSupport::Logger.new(log)
-      ActiveRecord::Base.logger.level = Logger::DEBUG
-      ActiveRecord::Base.silence do
-        ActiveRecord::Base.logger.warn "warn"
-        ActiveRecord::Base.logger.error "error"
-      end
-      assert_equal "error\n", log.string
-    end
-  ensure
-    ActiveRecord::Base.logger = original_logger
-  end
-
-  def test_silence_sets_log_level_back_to_level_before_yield
-    original_logger = ActiveRecord::Base.logger
-
-    assert_deprecated do
-      log = StringIO.new
-      ActiveRecord::Base.logger = ActiveSupport::Logger.new(log)
-      ActiveRecord::Base.logger.level = Logger::WARN
-      ActiveRecord::Base.silence do
-      end
-      assert_equal Logger::WARN, ActiveRecord::Base.logger.level
-    end
-  ensure
-    ActiveRecord::Base.logger = original_logger
-  end
-
   def test_benchmark_with_log_level
     original_logger = ActiveRecord::Base.logger
     log = StringIO.new

activesupport/lib/active_support/benchmarkable.rb

@@ -45,15 +45,5 @@ def benchmark(message = "Benchmarking", options = {})
         yield
       end
     end
-
-    # Silence the logger during the execution of the block.
-    def silence
-      message = "ActiveSupport::Benchmarkable#silence is deprecated. It will be removed from Rails 4.1."
-      ActiveSupport::Deprecation.warn message
-      old_logger_level, logger.level = logger.level, ::Logger::ERROR if logger
-      yield
-    ensure
-      logger.level = old_logger_level if logger
-    end
   end
 end