Clean-up TFT

- Removed a bunch of unused pics
- Changed page indicator to new format (which will allow future development to hide unused pages)
- Standardized close button in most pages

nspanel_eu_code/qrcode.txt

@@ -38,7 +38,7 @@ Page qrcode
         
 Text qrcode_label
     Attributes
-        ID                 : 4
+        ID                 : 3
         Scope              : global
         Dragging           : 0
         Send Component ID  : disabled
@@ -48,19 +48,22 @@ Text qrcode_label
     
 QR Code qrcode_value
     Attributes
-        ID               : 5
+        ID               : 4
         Scope            : global
         Dragging         : 0
         Send Component ID: disabled
         Text             : 
         Max. Text Size   : 50
     
-Hotspot qrcode_back
+Button button_back
     Attributes
-        ID               : 3
+        ID               : 5
         Scope            : local
         Dragging         : 0
         Send Component ID: disabled
+        State            : unpressed
+        Text             : x
+        Max. Text Size   : 1
     
     Events
         Touch Press Event