Apply suggestions from code review

Co-authored-by: Ivan <[email protected]>

Author: oleiade

docs/sources/next/javascript-api/k6-experimental/fs/FileInfo.md

@@ -34,33 +34,6 @@ export default async function () {
     throw new Error('Unexpected file name');
   }
 
-  const buffer = new Uint8Array(4);
-
-  let totalBytesRead = 0;
-  while (true) {
-    // Read into the buffer
-    const bytesRead = await file.read(buffer);
-    if (bytesRead == null) {
-      // EOF
-      break;
-    }
-
-    // Do something useful with the content of the buffer
-    totalBytesRead += bytesRead;
-
-    // If bytesRead is less than the buffer size, we've read the whole file
-    if (bytesRead < buffer.byteLength) {
-      break;
-    }
-  }
-
-  // Check that we read the expected number of bytes
-  if (totalBytesRead != fileinfo.size) {
-    throw new Error('Unexpected number of bytes read');
-  }
-
-  // Seek back to the beginning of the file
-  await file.seek(0, SeekMode.Start);
 }
 ```