Revert "multiple major mode support for web editing in Emacs"

The change is reversed.
This is done because it isn't best practice to mix PHP with HTML :(

This reverts commit 0479eaa621.

init.el

@@ -38,7 +38,6 @@
 (require 'init-modeline)
 (require 'init-indent-guides)
 (require 'init-icons)
-(require 'init-multi-web)
 (require 'init-neotree)
 ;; Tools
 (require 'init-flycheck)