Add command to remove toc

Author: mzlogin

README.md

@@ -12,6 +12,7 @@ A vim plugin to generate table of contents for Markdown files.
 * [Usage](#usage)
     * [Generate table of contents](#generate-table-of-contents)
     * [Update existing table of contents](#update-existing-table-of-contents)
+    * [Remove table of contents](#remove-table-of-contents)
 * [Options](#options)
 * [Screenshots](#screenshots)
 * [References](#references)
@@ -73,6 +74,10 @@ Generally you don't need to do this manually, existing table of contents will au
 
 The `:UpdateToc` command, which is designed to update toc manually, can only work when `g:vmt_auto_update_on_save` turned off, and keep insert fence.
 
+### Remove table of contents
+
+`:RemoveToc` command will do this for you, just remember keep insert fence option by default.
+
 ## Options
 
 1. `g:vmt_auto_update_on_save`

ftplugin/markdown.vim

@@ -316,6 +316,7 @@ endfunction
 command! GenTocGFM :call <SID>GenToc("GFM")
 command! GenTocRedcarpet :call <SID>GenToc("Redcarpet")
 command! UpdateToc :call <SID>UpdateToc()
+command! RemoveToc :call <SID>DeleteExistingToc()
 
 if g:vmt_auto_update_on_save == 1
     autocmd BufWritePre *.{md,mdown,mkd,mkdn,markdown,mdwn} :silent! UpdateToc