Remove treat_symbols_as_metadata_keys_with_true_values

Author: pirj

Changelog.md

@@ -20,6 +20,8 @@ Breaking Changes:
 * Remove deprecated `color` configuration option. (Phil Pirozhkov, #2863)
 * Remove `it_should_behave_like` nested shared group method and
   `alias_it_should_behave_like_to` configuration option. (Phil Pirozhkov, #2863)
+* Remove deprecated `treat_symbols_as_metadata_keys_with_true_values` configuration
+  option. (Phil Pirozhkov, #2863)
 
 Enhancements:
 

lib/rspec/core/configuration.rb

@@ -348,18 +348,6 @@ def exclude_pattern=(value)
       # return [Boolean]
       add_setting :silence_filter_announcements
 
-      # @deprecated This config option was added in RSpec 2 to pave the way
-      #   for this being the default behavior in RSpec 3. Now this option is
-      #   a no-op.
-      def treat_symbols_as_metadata_keys_with_true_values=(_value)
-        RSpec.deprecate(
-          "RSpec::Core::Configuration#treat_symbols_as_metadata_keys_with_true_values=",
-          :message => "RSpec::Core::Configuration#treat_symbols_as_metadata_keys_with_true_values= " \
-                      "is deprecated, it is now set to true as default and " \
-                      "setting it to false has no effect."
-        )
-      end
-
       # Record the start time of the spec suite to measure load time.
       # return [Time]
       add_setting :start_time

spec/rspec/core/configuration_spec.rb

@@ -1583,13 +1583,6 @@ def metadata_hash(*args)
     it_behaves_like "a spec filter", :inclusion_filter
     it_behaves_like "a spec filter", :exclusion_filter
 
-    describe "#treat_symbols_as_metadata_keys_with_true_values=" do
-      it 'is deprecated' do
-        expect_deprecation_with_call_site(__FILE__, __LINE__ + 1)
-        config.treat_symbols_as_metadata_keys_with_true_values = true
-      end
-    end
-
     describe "#full_backtrace=" do
       it "doesn't impact other instances of config" do
         config_1 = Configuration.new