Resolve "Remove old emoji versions 1, 2, and 3"
What does this MR do and why?
We no longer need version 1, 2, and 3 of the emojis. Two release have gone by, so we can remove them. See https://docs.gitlab.com/ee/development/fe_guide/emojis.html
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Related to #502636 (closed)