Why would they remove it?
I don't have the full article but you can read these two articles:
Whistleblower complaint concerns Trump talk with foreign leader: report
Whistleblower complaint based on multiple incidents; watchdog won't disclose info
https://www.washingtonpost.com/national-security/trumps-communications-with-foreign-leader-are-part-of-whistleblower-complaint-that-spurred-standoff-between-spy-chief-and-congress-former-officials-say/2019/09/18/df651aa2-da60-11e9-bfb1-849887369476_story.html