remove cache hint as scripts cache is now invalidated correctly

php/update.php

@@ -74,9 +74,7 @@
                 print("
                     <div>
                         Success! This installation of GameHorizon has been updated to <a href='https://github.com/xdpirate/gamehorizon/commit/$commitHash' target='_blank'><b><code>$commitHash</code></b></a>.<br /><br />
-                        To avoid errors from stale cache entries in your browser, it's a good idea to clear the cache once you exit the updater. You can do this by pressing Ctrl+F5, or by holding down Shift, then clicking the Refresh button in your browser toolbar with the cursor.<br /><br />
-                        <a href='https://github.com/xdpirate/gamehorizon/commits/main' target='_blank'>See commit history</a><br /><br />
-                        <input type='button' value='Return to GameHorizon' onclick='window.location.href=\".\";'>
+                        <a href='https://github.com/xdpirate/gamehorizon/commits/main' target='_blank'>See commit history</a> (opens in a new tab), or <input type='button' value='Return to GameHorizon' onclick='window.location.href=\".\";'>
                     </div>
                 ");
             }