remove memory warning

www/src/index.tsx

@@ -193,7 +193,6 @@ function DemoDropzone({onDrop}: { onDrop: (data: ArrayBuffer) => void }) {
                     <p>Drop the demo file here ...</p> :
                     <p>Drag 'n' drop a demo here, or click to a file</p>
             }
-            <p className="warning">Warning, loading a 30m demo file can easily take over a gigabyte of memory</p>
         </div>
     )
 }