Remove track color setting from Switch

This must have been considered a bug in the
React Native Paper codebase, but this was me fixing
the track color being wrong when system theme and app
theme weren't the same.

Switch.tsx

@@ -29,10 +29,6 @@ function Switch({
         style={{ marginRight: MARGIN }}
         value={value}
         onValueChange={onChange}
-        trackColor={{
-          true: colors.primary + "80",
-          false: colors.surfaceDisabled,
-        }}
       />
       <Text>{title}</Text>
     </Pressable>