Update to latest sentry loader for JS (#886)

Co-authored-by: studybuffalo <studybuffalo@gmail.com>

study_buffalo/templates/sentry.html

@@ -1,13 +1,5 @@
-<!-- Polyfill to support Sentry -->
-<script type="text/javascript" src="https://polyfill.io/v3/polyfill.min.js?features=Promise%2CObject.assign%2CString.prototype.includes%2CNumber.isNaN%2CArray.from"></script>
-
 <!-- Load Sentry -->
-<script
-  src="https://browser.sentry-cdn.com/5.7.1/bundle.min.js"
-  integrity="sha384-KMv6bBTABABhv0NI+rVWly6PIRvdippFEgjpKyxUcpEmDWZTkDOiueL5xW+cztZZ"
-  crossorigin="anonymous"
-  type="text/javascript"
-  ></script>
+<script src="https://js.sentry-cdn.com/f9eea1f6f06c49c0a966c7cfbdde6003.min.js" crossorigin="anonymous"></script>
 
 <script type="text/javascript">
   Sentry.init({ dsn: 'https://f9eea1f6f06c49c0a966c7cfbdde6003@sentry.io/1498404' });