Simplify page load

To reduce the chances of a serial buffer overflow

hmi/dev/nspanel_eu_code/cover.txt

@@ -12,11 +12,11 @@ Page cover
     
     Events
         Preinitialize Event
+            dim=brightness
             if(api==0)
             {
                 page home
             }
-            vis unavailable,0
             printh 92
             prints "current_page",0
             printh 00
@@ -88,16 +88,6 @@ Text battery_icon
         Text               : 
         Max. Text Size     : 10
     
-Text unavailable
-    Attributes
-        ID                 : 14
-        Scope              : local
-        Dragging           : 0
-        Send Component ID  : disabled
-        Associated Keyboard: none
-        Text               : 
-        Max. Text Size     : 1
-    
 Slider coverslider
     Attributes
         ID               : 6
@@ -191,26 +181,3 @@ Button button_back
         Touch Press Event
             page back_page_id
         
-Timer wakeup_timer
-    Attributes
-        ID         : 13
-        Scope      : local
-        Period (ms): 100
-        Enabled    : yes
-    
-    Events
-        Timer Event
-            if(dim<brightness)
-            {
-                dimdelta=brightness-dim
-                dimdelta/=10
-                if(dimdelta<1)
-                {
-                    dimdelta=1
-                }
-                dim+=dimdelta
-            }else
-            {
-                wakeup_timer.en=0
-            }
-