refactor(NotificationUtils): Remove HACK in email fallback comment.

Author: binh-dam-ibigroup

src/main/java/org/opentripplanner/middleware/utils/NotificationUtils.java

@@ -511,7 +511,7 @@ public static String replaceUserNameInFromEmail(String fromEmail, OtpUser otpUse
         int firstBracketIndex = fromEmail.indexOf('<');
         int lastBracketIndex = fromEmail.indexOf('>');
 
-        // HACK: If the OTP user does not have a name, fall back on email and replace the "@" sign,
+        // If the OTP user does not have a name, fall back on email and replace the "@" sign,
         // so that the user's email does not override the application email in brackets.
         if (firstBracketIndex < 0 || lastBracketIndex < 0) {
             return String.format("%s <%s>", otpUser.getDisplayedName(), fromEmail);