docs: remove unused file

diff --git a/doc_site/extensions/man.rb b/doc_site/extensions/man.rb
deleted file mode 100644 (file)
index 1f4386e..0000000
--- a/doc_site/extensions/man.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-# Borrowed from
-#  https://github.com/asciidoctor/asciidoctor-extensions-lab/blob/main/lib/man-inline-macro.rb
-
-require 'asciidoctor/extensions' unless RUBY_ENGINE == 'opal'
-
-include Asciidoctor
-
-# An inline macro that generates links to related man pages.
-#
-# Usage:
-#
-#   man:gittutorial[7]
-#
-class ManInlineMacro < Extensions::InlineMacroProcessor
-  use_dsl
-
-  named :man
-  name_positional_attributes 'volnum'
-
-  def process parent, target, attrs
-    text = manname = target
-    suffix = ''
-    target = %(#{manname}.html)
-    if (volnum = attrs['volnum'])
-      suffix = %((#{volnum}))
-    end
-    if parent.document.basebackend? 'html'
-      parent.document.register :links, target
-      node = create_anchor parent, text, type: :link, target: target
-    elsif parent.document.backend == 'manpage'
-      node = create_inline parent, :quoted, manname, type: :strong
-    else
-      node = create_inline parent, :quoted, manname
-    end
-    suffix ? (create_inline parent, :quoted, %(#{node.convert}#{suffix})) : node
-  end
-end
-
-Extensions.register :uri_schemes do
-  inline_macro ManInlineMacro
-  # The following alias allows this macro to be used with the git man pages
-  inline_macro ManInlineMacro, :linkgit
-end