[gedit] build: remove libxml dependency

[Sébastien Wilmet <swilmet src gnome org>]

commit 1dad3bce26158f38922a979e5a5b6d2b15e49018
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Nov 14 10:10:51 2019 +0100

    build: remove libxml dependency
    
    It was used only by GeditMetadataManager, but that class has been
    removed. See the previous commits.
    
    But the metadata manager is implemented in Tepl, and the code was copied
    from gedit. Tepl still depends on the libxml. And GtkSourceView too. So
    we are not yet rid of that library.

 docs/reference/meson.build | 1 -
 gedit/meson.build          | 1 -
 meson.build                | 2 --
 3 files changed, 4 deletions(-)
---
diff --git a/docs/reference/meson.build b/docs/reference/meson.build
index 30b49dbc6..c6bb1b97b 100644
--- a/docs/reference/meson.build
+++ b/docs/reference/meson.build
@@ -16,7 +16,6 @@ gedit_doc_deps = [
   tepl_dep,
   libpeas_dep,
   libpeas_gtk_dep,
-  libxml_dep,
 ]
 
 gedit_doc_dep = declare_dependency(
diff --git a/gedit/meson.build b/gedit/meson.build
index 581588f67..294437d22 100644
--- a/gedit/meson.build
+++ b/gedit/meson.build
@@ -131,7 +131,6 @@ libgedit_deps = [
   introspection_dep,
   libpeas_dep,
   libpeas_gtk_dep,
-  libxml_dep,
   libgd_dep,
 ]
 
diff --git a/meson.build b/meson.build
index 3c52e64d5..08626555f 100644
--- a/meson.build
+++ b/meson.build
@@ -65,7 +65,6 @@ gtk_req = '>= 3.22.0'
 gtksourceview_req = '>= 4.0.2'
 tepl_req = '>= 4.3'
 libpeas_req = '>= 1.14.1'
-libxml_req = '>= 2.5.0'
 libsoup_req = '>= 2.60.0'
 gspell_req = '>= 0.2.5'
 pygobject_req = '>= 3.0.0'
@@ -83,7 +82,6 @@ gtksourceview_dep = dependency('gtksourceview-4', version: gtksourceview_req)
 tepl_dep = dependency('tepl-4', version: tepl_req)
 libpeas_dep = dependency('libpeas-1.0', version: libpeas_req)
 libpeas_gtk_dep = dependency('libpeas-gtk-1.0', version: libpeas_req)
-libxml_dep = dependency('libxml-2.0', version: libxml_req)
 
 libgd_dep = libgd_sp.get_variable('libgd_dep')