feat: update Symfony.nullable_type_declaration_for_default_null_value config

doc/ruleSets/Symfony.rst

@@ -99,10 +99,7 @@ Rules
 - `no_useless_nullsafe_operator <./../rules/operator/no_useless_nullsafe_operator.rst>`_
 - `no_whitespace_before_comma_in_array <./../rules/array_notation/no_whitespace_before_comma_in_array.rst>`_
 - `normalize_index_brace <./../rules/array_notation/normalize_index_brace.rst>`_
-- `nullable_type_declaration_for_default_null_value <./../rules/function_notation/nullable_type_declaration_for_default_null_value.rst>`_ with config:
-
-  ``['use_nullable_type_declaration' => false]``
-
+- `nullable_type_declaration_for_default_null_value <./../rules/function_notation/nullable_type_declaration_for_default_null_value.rst>`_
 - `object_operator_without_whitespace <./../rules/operator/object_operator_without_whitespace.rst>`_
 - `operator_linebreak <./../rules/operator/operator_linebreak.rst>`_ with config:
 

doc/rules/function_notation/nullable_type_declaration_for_default_null_value.rst

@@ -115,10 +115,7 @@ Rule sets
 
 The rule is part of the following rule set:
 
-- `@Symfony <./../../ruleSets/Symfony.rst>`_ with config:
-
-  ``['use_nullable_type_declaration' => false]``
-
+- `@Symfony <./../../ruleSets/Symfony.rst>`_
 
 References
 ----------

src/RuleSet/Sets/SymfonySet.php

@@ -134,7 +134,7 @@ public function getRules(): array
             'no_useless_nullsafe_operator' => true,
             'no_whitespace_before_comma_in_array' => true,
             'normalize_index_brace' => true,
-            'nullable_type_declaration_for_default_null_value' => ['use_nullable_type_declaration' => false],
+            'nullable_type_declaration_for_default_null_value' => true,
             'object_operator_without_whitespace' => true,
             'operator_linebreak' => [
                 'only_booleans' => true,

tests/Fixtures/Integration/misc/PHP7_1.test

@@ -31,7 +31,7 @@ interface Contract
 
 class Implementation implements Contract
 {
-    public function method(Foo $foo = null): ?bool
+    public function method(?Foo $foo = null): ?bool
     {
         return is_null($foo);
     }
@@ -61,7 +61,7 @@ interface Contract {
 }
 
 class Implementation implements Contract {
-    public function method(?Foo $foo = null): ?bool
+    public function method(Foo $foo = null): ?bool
     {
         return is_null($foo);
     }