[metacity] theme: revert theme format version 3.6

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 37a2d2056f05c940c6244627da25057f42be8807
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Jan 28 17:21:40 2016 +0200

    theme: revert theme format version 3.6

 doc/theme-format.txt  |    6 ------
 src/ui/theme-parser.c |    4 +---
 2 files changed, 1 insertions(+), 9 deletions(-)
---
diff --git a/doc/theme-format.txt b/doc/theme-format.txt
index 8c5d32d..927b32c 100644
--- a/doc/theme-format.txt
+++ b/doc/theme-format.txt
@@ -22,12 +22,6 @@ This document has separate sections for each format version. You may
 want to read the document in reverse order, since the base features
 are discussed under version 1.
 
-New Features in Theme Format Version 3.6
-========================================
-
-Add new 'invisible_border' border in frame geometry. Used for resize
-cursor area.
-
 New Features in Theme Format Version 3.5
 ========================================
 
diff --git a/src/ui/theme-parser.c b/src/ui/theme-parser.c
index f990652..faab4dd 100644
--- a/src/ui/theme-parser.c
+++ b/src/ui/theme-parser.c
@@ -37,7 +37,7 @@
  * look out for.
  */
 #define THEME_MAJOR_VERSION 3
-#define THEME_MINOR_VERSION 6
+#define THEME_MINOR_VERSION 5
 #define THEME_VERSION (1000 * THEME_MAJOR_VERSION + THEME_MINOR_VERSION)
 
 #define METACITY_THEME_FILENAME_FORMAT "metacity-theme-%d.xml"
@@ -1534,8 +1534,6 @@ parse_border (GMarkupParseContext  *context,
     border = &info->layout->title_border;
   else if (strcmp (name, "button_border") == 0)
     border = &info->layout->button_border;
-  else if (strcmp (name, "invisible_border") == 0)
-    border = &info->layout->invisible_border;
 
   if (border == NULL)
     {