replace todo with comment

src/index.ts

@@ -79,7 +79,7 @@ class ChartwerkPod<T extends Serie, O extends Options> {
     _series: T[] = [],
     _options: O
   ) {
-    // TODO: test if it's necessary
+    // need to call explicitly because lazyStyleTag
     styles.use();
 
     this.options = new CoreOptions(_options);