docs: remove "new in v4"

Author: port19x

README.md

@@ -31,7 +31,6 @@ https://user-images.githubusercontent.com/44473782/160729779-41fe207c-b5aa-4fed-
 ## Table of Contents
 
 - [Fixing errors](#Fixing-errors)
-- [New in v4](#New-in-v4)
 - [Install](#Install)
   - [Linux](#Linux)
    - [Debian](#Debian)
@@ -57,12 +56,6 @@ If after this the issue persists then open an issue.
 
 History has been reworked and relocated. We're working on a transition script, please be patient. Old history can be viewed with `less ${XDG_CACHE_HOME:-$HOME/.cache}/ani-hsts`
 
-## New in v4
-
-V4 was a complete rewrite, which is why it took so long.
-
-The user interface is now powered by [fzf](https://github.com/junegunn/fzf), tho it may be changed to [gum](https://github.com/charmbracelet/gum) in an upcoming version.
-
 ## Install
 
 #### Users of V3.2 or the v3.2.x series should uninstall before upgrading