fix(curriculum): removed whitespace from 'Generate OTP'. (freeCodeCamp#61823)

Author: White-Devil04

curriculum/challenges/english/25-front-end-development/lab-one-time-password-generator/67c562286b29447da020d407.md

@@ -19,7 +19,7 @@ In this lab, you will generate a 6-digit OTP (One-Time Password) and display it
 3. The `div` having the class `container` should include the following elements:
 
     - An `h1` element with the ID `otp-title` and text `"OTP Generator"`.
-    - An `h2` element with the ID `otp-display` that either displays the message `"Click 'Generate   OTP' to get a code"` or shows the generated OTP if one is available.
+    - An `h2` element with the ID `otp-display` that either displays the message `"Click 'Generate OTP' to get a code"` or shows the generated OTP if one is available.
     - A `p` element with the ID `otp-timer` that:
         - Starts off empty.
         - Displays `"Expires in: X seconds"` after the button is clicked, where `X` represents the remaining time before the OTP expires.