lang/data: remove vimrc-mode

This package/mode isn't "data".

Relevant to #973

modules/lang/data/config.el

@@ -31,9 +31,6 @@
   :config
   (set-electric! 'json-mode :chars '(?\n ?: ?{ ?})))
 
-(def-package! vimrc-mode
-  :mode "\\.?vimperatorrc\\'")
-
 
 ;;
 ;; Frameworks

modules/lang/data/packages.el

@@ -4,7 +4,6 @@
 (package! graphql-mode)
 (package! json-mode)
 (package! toml-mode)
-(package! vimrc-mode)
 (package! yaml-mode)
 (package! csv-mode)
 (package! dhall-mode)