Revert "Add banner"

This reverts commit 70fe045.

Author: Assios

app/components/Chessguessr.tsx

@@ -164,28 +164,6 @@ export const Chessguessr = ({
         />
       </div>
       <Game>
-        <div className="flex justify-center items-center w-full px-4 sm:px-0">
-            <a
-              href="https://chessprophet.app"
-              target="_blank"
-              className="inline-block bg-gray-900 px-6 py-2.5 rounded-xl text-white text-sm mb-4 text-center border-2 border-white"
-              onClick={() => {
-                trackEvent("Click Chess Prophet");
-              }}
-            >
-              <strong>Sponsored</strong>
-              <svg
-                viewBox="0 0 2 2"
-                className="mx-2 inline h-0.5 w-0.5 fill-current"
-                aria-hidden="true"
-              >
-                <circle cx="1" cy="1" r="1" />
-              </svg>
-              New Chess Prophet game this tuesday! &nbsp;
-              <span aria-hidden="true">&rarr;</span>
-            </a>
-          </div>
-
         <BoardWrapper>
           <Players>
             <p className="sm:text-lg lg:text-2xl mb-2 font-semibold text-center">