Revert inlining basic language pack

indent/bib.vim

@@ -1,19 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1
-  
-" Vim indent file
-" Language:      BibTeX
-" Maintainer:    Dorai Sitaram <ds26@gte.com>
-" URL:		 http://www.ccs.neu.edu/~dorai/vimplugins/vimplugins.html
-" Last Change:   2005 Mar 28
-
-" Only do this when not done yet for this buffer
-if exists("b:did_indent")
-  finish
-endif
-let b:did_indent = 1
-
-setlocal cindent
-
-let b:undo_indent = "setl cin<"
-
-endif