Remove deprecated core_ext/big_decimal/yaml_conversions file

activesupport/CHANGELOG.md

+*   Remove deprecated `active_support/core_ext/big_decimal/yaml_conversions`
+    file.
+
+    *Rafael Mendonça França*
+
 *   Remove deprecated methods `ActiveSupport::Cache::Store.instrument` and
     `ActiveSupport::Cache::Store.instrument=`.
 

activesupport/lib/active_support/core_ext/big_decimal/yaml_conversions.rb

-ActiveSupport::Deprecation.warn 'core_ext/big_decimal/yaml_conversions is deprecated and will be removed in the future.'
-
-require 'bigdecimal'
-require 'yaml'
-require 'active_support/core_ext/big_decimal/conversions'
-
-class BigDecimal
-  YAML_MAPPING = { 'Infinity' => '.Inf', '-Infinity' => '-.Inf', 'NaN' => '.NaN' }
-
-  def encode_with(coder)
-    string = to_s
-    coder.represent_scalar(nil, YAML_MAPPING[string] || string)
-  end
-end

activesupport/test/core_ext/big_decimal/yaml_conversions_test.rb

-require 'abstract_unit'
-
-class BigDecimalYamlConversionsTest < ActiveSupport::TestCase
-  def test_to_yaml
-    assert_deprecated { require 'active_support/core_ext/big_decimal/yaml_conversions' }
-    assert_match("--- 100000.30020320320000000000000000000000000000001\n", BigDecimal.new('100000.30020320320000000000000000000000000000001').to_yaml)
-    assert_match("--- .Inf\n",  BigDecimal.new('Infinity').to_yaml)
-    assert_match("--- .NaN\n",  BigDecimal.new('NaN').to_yaml)
-    assert_match("--- -.Inf\n", BigDecimal.new('-Infinity').to_yaml)
-  end
-end