I do not understand how you have a functionality which is vital to a site with past posts to have it disabled. Then @tstachlewski provides an answer like: Maybe i’ll get to it in Q1 2020. (that was over 2 months ago).
Don’t rush, take your time…
I’ll follow these instructions instead:
To uninstall AWS BS plugin from your WordPress blog, follow these steps:
Click the Installed Plugins link on the Plugins menu. …
Locate the AWS BS plugin you want to uninstall.
Click the Deactivate link below the AWS BS plugin title. …
Click the Delete link that now appears below the AWS BS plugin title. …
Click the Yes, Delete These Files button.