Update CS spec.

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

.php_cs

@@ -15,6 +15,7 @@ return PhpCsFixer\Config::create()
                 'no_extra_consecutive_blank_lines' => false,
                 'no_unneeded_control_parentheses' => false,
                 'not_operator_with_successor_space' => true,
+                'no_superfluous_phpdoc_tags' => false,
                 'ordered_imports' => ['sortAlgorithm' => 'length'],
                 'phpdoc_align' => false,
                 'phpdoc_no_empty_return' => false,