Remove fullscreen setting in config file

tests/reference/baseConfig_novelwriter.conf

@@ -1,5 +1,5 @@
 [Meta]
-timestamp = 2023-05-31 10:52:21
+timestamp = 2023-08-02 14:53:36
 
 [Main]
 theme = default
@@ -69,7 +69,6 @@ stopwhenidle = True
 useridletime = 300
 
 [State]
-fullscreen = False
 showrefpanel = True
 viewcomments = True
 viewsynopsis = True

tests/reference/guiPreferences_novelwriter.conf

@@ -1,5 +1,5 @@
 [Meta]
-timestamp = 2022-11-11 12:48:20
+timestamp = 2023-08-02 14:53:40
 
 [Main]
 theme = default
@@ -10,11 +10,11 @@ localisation = en_GB
 hidevscroll = True
 hidehscroll = True
 lastnotes = 0x0
-lastpath = /home/vkbo/Code/novelWriter/Source/tests/temp/function
+lastpath = 
 
 [Sizes]
 mainwindow = 1200, 650
-preferences = 699, 614
+preferences = 765, 614
 projloadcols = 280, 60, 160
 mainpane = 300, 800
 viewpane = 500, 150
@@ -69,7 +69,6 @@ stopwhenidle = True
 useridletime = 300
 
 [State]
-fullscreen = False
 showrefpanel = True
 viewcomments = True
 viewsynopsis = True