prefix command doesnt work

[RyanWilliams99]

Describe the bug
when i try to use the *prefix command it gives me "This command is not available anymore to encourage people to use slash command! All bots will stop answering to commands with a prefix like this one!"

To Reproduce
Steps to reproduce the behavior:

1. use the prefix command
2. see error

Expected behavior
it would change the prefix

Screenshots

Version
Please give these versions:
NodeJs:
Green-bot;

Additional context
Add any other context about the problem here.

[pauldb09]

Yeah it has been removed because discord want's all bots to switch to slash commands