refactor: remove legacy code

core_functsions.sh is no longer required

refactor: remove legacy code

A lot of time has passed on many of these changes. Moving old legacy code conversions

refactor: remove unused alert modules

This commit removes the unused alert modules `alert.sh`, `alert_discord.sh`, and `alert_email.sh`. These modules were not being used in the codebase and were therefore deleted.

Author: dgibbs64