use poper emacs namespace, move keys to dedicated minor mode

languages/purescript.el

@@ -1,31 +0,0 @@
-;;; purescript.el --- summary
-
-;; Author: Maciej Szlosarczyk
-;; Maintainer: Maciej Szlosarczyk
-;; Version: 0.1-snapshot
-
-;;; Commentary:
-
-;; purescript does a thing.
-
-;;; Code:
-(use-package purescript-mode
-  :requires (lsp-mode lsp-ui)
-  :ensure t)
-
-(defun activate-purescript-mode ()
-  "All things Purescript."
-  (set-indent 2)
-  (column-enforce-n 98)
-
-  ;; Purescript indentation
-  (purescript-indentation-mode t)
-
-  ;; Company list override
-  (add-to-list (make-local-variable 'company-backends)
-               '(company-capf company-yasnippet)))
-
-(add-hook 'purescript-mode-hook 'activate-purescript-mode)
-
-(provide 'languages/purescript)
-;;; purescript.el ends here