Enable no_useless_nullsafe_operator

Author: paulbalandan

.php-cs-fixer.dist.php

@@ -43,6 +43,7 @@
     'blank_line_between_import_groups' => true,
     'control_structure_braces'         => true,
     'no_multiple_statements_per_line'  => true,
+    'no_useless_nullsafe_operator'     => true,
     'phpdoc_separation'                => [
         'groups' => [
             ['immutable', 'psalm-immutable'],

.php-cs-fixer.no-header.php

@@ -35,6 +35,7 @@
     'blank_line_between_import_groups' => true,
     'control_structure_braces'         => true,
     'no_multiple_statements_per_line'  => true,
+    'no_useless_nullsafe_operator'     => true,
     'phpdoc_separation'                => [
         'groups' => [
             ['immutable', 'psalm-immutable'],

.php-cs-fixer.user-guide.php

@@ -37,6 +37,7 @@
     'blank_line_between_import_groups' => true,
     'control_structure_braces'         => true,
     'no_multiple_statements_per_line'  => true,
+    'no_useless_nullsafe_operator'     => true,
     'phpdoc_separation'                => [
         'groups' => [
             ['immutable', 'psalm-immutable'],