Remove grapqhl, fixes #387

ftplugin/graphql.vim

@@ -1,22 +0,0 @@
-if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'graphql') != -1
-  finish
-endif
-
-" Vim filetype plugin
-" Language: GraphQL
-" Maintainer: Jon Parise <jon@indelible.org>
-
-if (exists('b:did_ftplugin'))
-  finish
-endif
-let b:did_ftplugin = 1
-
-setlocal comments=:#
-setlocal commentstring=#\ %s
-setlocal formatoptions-=t
-setlocal iskeyword+=$,@-@
-setlocal softtabstop=2
-setlocal shiftwidth=2
-setlocal expandtab
-
-let b:undo_ftplugin = 'setlocal com< cms< fo< isk< sts< sw< et<'