Remove no longer used annotation use statements and replace with attribute use statements

src/Bundle/ChillMainBundle/Entity/PermissionsGroup.php

@@ -70,17 +70,11 @@ class PermissionsGroup
         return $this->flags;
     }
 
-    /**
-     * @return int
-     */
     public function getId(): ?int
     {
         return $this->id;
     }
 
-    /**
-     * @return string
-     */
     public function getName(): string
     {
         return $this->name;