You might have checked the Otome Jam version of the email, since the Josei Jam email specifically mentioned submission removals. All participants of Josei Jam were emailed.
We did not name or email specific devs, as it would have been too many to message. You can contact either me, Akua (akua_kourin on Discord, Mod of Otome Development) or Arimia (Mod and Admin of Otome Development).