Remove TypeScript ignore comment for marker

Author: willum070

samples/advanced-markers-graphics/index.ts

@@ -45,7 +45,6 @@ async function initMap() {
         position: { lat: 37.434, lng: -122.082 },
         content: beachFlagImg,
         title: 'A marker using a custom PNG Image',
-        //@ts-ignore
         anchorLeft: "0px",
         anchorTop: "100%",
     });