- Removes unused method from Settings model

- Renames method to delete value

lib/Models/Setting.php

@@ -161,12 +161,8 @@ class Setting extends Model {
     return $setting->save();
   }
 
-  public static function getSetting($setting) {
-    return self::where('name', $setting)->findOne();
-  }
-
-  public static function deleteSetting($setting) {
-    $setting = self::where('name', $setting)->findOne();
-    return ($setting) ? $setting->delete() : false;
+  public static function deleteValue($value) {
+    $value = self::where('name', $value)->findOne();
+    return ($value) ? $value->delete() : false;
   }
 }