Just removes === true from boolean returns

Author: emsifa

src/Attribute.php

@@ -182,7 +182,7 @@ public function setRequired(bool $required)
      */
     public function isRequired(): bool
     {
-        return $this->required === true;
+        return $this->required;
     }
 
     /**

src/Rule.php

@@ -152,7 +152,7 @@ public function parameter(string $key)
      */
     public function isImplicit(): bool
     {
-        return $this->implicit === true;
+        return $this->implicit;
     }
 
     /**