[metacity] remove option to attach modal dialogs

[Alberts Muktupāvels <muktupavels src gnome org>]

commit d2b13461b5397dcc6e6bcb0e87a9b9fa0716a1a5
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Oct 6 22:48:12 2014 +0300

    remove option to attach modal dialogs
    
    This was added only to add support for metacity theme format
    version 3.2.

 src/core/prefs.c                      |    8 --------
 src/org.gnome.metacity.gschema.xml.in |    9 ---------
 2 files changed, 0 insertions(+), 17 deletions(-)
---
diff --git a/src/core/prefs.c b/src/core/prefs.c
index ea16c04..7065c27 100644
--- a/src/core/prefs.c
+++ b/src/core/prefs.c
@@ -260,14 +260,6 @@ static MetaEnumPreference preferences_enum[] =
 static MetaBoolPreference preferences_bool[] =
   {
     {
-      { "attach-modal-dialogs",
-        SCHEMA_METACITY,
-        META_PREF_ATTACH_MODAL_DIALOGS
-      },
-      &attach_modal_dialogs,
-      TRUE,
-    },
-    {
       { "raise-on-click",
         SCHEMA_GENERAL,
         META_PREF_RAISE_ON_CLICK,
diff --git a/src/org.gnome.metacity.gschema.xml.in b/src/org.gnome.metacity.gschema.xml.in
index a19db9b..6b4eb0d 100644
--- a/src/org.gnome.metacity.gschema.xml.in
+++ b/src/org.gnome.metacity.gschema.xml.in
@@ -10,15 +10,6 @@
 
   <schema id="org.gnome.metacity" path="/org/gnome/metacity/"
           gettext-domain="@GETTEXT_PACKAGE@">
-    <key name="attach-modal-dialogs" type="b">
-      <default>false</default>
-      <_summary>Attach modal dialogs</_summary>
-      <_description>
-        When true, instead of having independent titlebars, modal dialogs
-        appear attached to the titlebar of the parent window and are moved
-        together with the parent window.
-      </_description>
-    </key>
     <key name="compositing-manager" type="b">
       <default>true</default>
       <_summary>Compositing Manager</_summary>