Update docs

doc/changelog.asciidoc

@@ -39,6 +39,8 @@ Changed
 - `:version` now shows OS information for POSIX OS other than Linux/macOS.
 - When there's an error inserting the text from an external editor, a backup
   file is now saved.
+- The `window.hide_wayland_decoration` setting got renamed to
+  `window.hide_decoration` and now also works outside of wayland.
 
 Fixed
 ~~~~~

doc/help/settings.asciidoc

@@ -3160,7 +3160,9 @@ Default:
 [[window.hide_decoration]]
 === window.hide_decoration
 Hide the window decoration.
-This setting requires a restart.
+
+This setting requires a restart on Wayland.
+
 
 Type: <<types,Bool>>
 

qutebrowser/config/configdata.yml

@@ -1539,10 +1539,10 @@ window.hide_wayland_decoration:
 window.hide_decoration:
   type: Bool
   default: false
-  restart: false
   desc: |
-    Hide the window decoration. Does require a restart for
-    Wayland users.
+    Hide the window decoration.
+
+    This setting requires a restart on Wayland.
 
 window.title_format:
   type: