theme: revert theme format version 3.6

Alberts Muktupāvels · vkareh · commit a6f9462029e7 · 2018-08-29T12:52:28.000-04:00
Shadow and padding was never part of theme. This format was created by
mutter, and it is an incompatible change.
diff --git 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
@@ -38,7 +38,7 @@
  * 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 MARCO_THEME_FILENAME_FORMAT "metacity-theme-%d.xml"
@@ -1570,8 +1570,6 @@ 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)
     {
