Stop overriding surface/onSurface in theme

app/src/main/java/com/geeksville/mesh/ui/theme/Color.kt

@@ -33,8 +33,6 @@ val LightGreen = Color(0xFFCFE8A9)
 val LightRed = Color(0xFFFFB3B3)
 
 val MeshtasticGreen = Color(0xFF67EA94)
-val AlmostWhite = Color(0xB3FFFFFF)
-val AlmostBlack = Color(0x8A000000)
 
 val HyperlinkBlue = Color(0xFF43C3B0)
 val Orange = Color(255, 153, 0)

app/src/main/java/com/geeksville/mesh/ui/theme/Theme.kt

@@ -27,16 +27,12 @@ private val DarkColorPalette = darkColors(
     primary = MeshtasticGreen,
     primaryVariant = Purple700,
     secondary = Teal200,
-    surface = AlmostBlack,
-    onSurface = AlmostWhite
 )
 
 private val LightColorPalette = lightColors(
     primary = MeshtasticGreen,
     primaryVariant = LightSkyBlue,
     secondary = Teal200,
-    surface = AlmostWhite,
-    onSurface = AlmostBlack
 
     /* Other default colors to override
     background = Color.White,