remove unused code

src/config/Styles.js

@@ -4,10 +4,3 @@ import { Dimensions } from "react-native";
 export const SCREEN_HEIGHT = Dimensions.get("window").height;
 export const SCREEN_WIDTH = Dimensions.get("window").width;
 
-export const color_background_theme = "#00042A";
-export const color_open = "#363534";
-export const color_on_progress = "#055999";
-export const color_complete = "#348454";
-export const color_warning = "#ED8B00";
-export const color_cancel = "#FF0000";
-export const error_message = { color: 'red', fontSize: 12, marginTop: -5 }