Use sources_non_forked folder for pathogen path, with sources_non_forked_fallback folder as fallback.

sources_non_forked/vim-snippets/UltiSnips/pandoc.snippets

@@ -1,12 +0,0 @@
-extends markdown
-
-# overwrite if necessary
-priority -49
-
-snippet title "Title Header" b
-% ${1:`!v vim_snippets#Filename('$1', 'title')`}
-% ${2:`!v g:snips_author`}
-% ${3:`!v strftime("%d %B %Y")`}
-
-$0
-endsnippet