Merge pull request #3 from unamatasanatarai/patch-1

Remove unnecessary comments and simplify syntax

src/Traits/HasSettingsTrait.php

@@ -21,13 +21,10 @@ public function setting($key, $value = null)
     {
         $this->validateKey($key);
 
-        // If the value is not null, it means we are trying to set it. So update the value.
-        // Otherwise return the setting.
         if($value === null) {
             return $this->getSetting($key);
-        } else {
-            return $this->setSetting($key, $value);
         }
+        return $this->setSetting($key, $value);
     }
 
     /**
@@ -170,4 +167,4 @@ protected function validateKey($key)
             throw new InvalidUserSettingsFieldUsed("Invalid settings field key given, this object is not allowed to use this key.");
         }
     }
-}
+}