[tracker/wip/carlosg/hotdoc: 31/47] Revert "meson: Add gi-docgen as a subproject"

[Carlos Garnacho <carlosg src gnome org>]

commit a4466aea5a69ff4d1be97b96085a1363273baf83
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Aug 5 15:24:08 2021 +0200

    Revert "meson: Add gi-docgen as a subproject"
    
    This reverts commit 4446db1ba422b8f13cc96f75e49fbee7aa88d7d0.

 meson.build                | 3 ---
 subprojects/gi-docgen.wrap | 6 ------
 2 files changed, 9 deletions(-)
---
diff --git a/meson.build b/meson.build
index ebd943a27..1dfd1142e 100644
--- a/meson.build
+++ b/meson.build
@@ -71,9 +71,6 @@ if not libsoup2.found() and not libsoup3.found()
   error('At least one of libsoup2 or libsoup3 is required')
 endif
 
-gidocgen = dependency('gi-docgen', version: '>= 2021.1', fallback: ['gi-docgen', 'dummy_dep'])
-gidocgen = find_program('gi-docgen')
-
 if get_option('man')
   asciidoc = find_program('asciidoc')
   xsltproc = find_program('xsltproc')