Fix background task + socket in services + cleaning

mobile/traque-app/util/colors.js

@@ -1,3 +0,0 @@
-export const Colors = {
-    background: '#f5f5f5'
-};

mobile/traque-app/util/constants.js

@@ -1,16 +0,0 @@
-export const SERVER_URL = process.env.EXPO_PUBLIC_SERVER_URL;
-export const SOCKET_URL = process.env.EXPO_PUBLIC_SOCKET_URL;
-
-export const InitialRegions = {
-    paris : {
-        latitude: 48.864,
-        longitude: 2.342,
-        latitudeDelta: 0,
-        longitudeDelta: 50
-    }
-};
-
-export const ZoneTypes = {
-    circle: "circle",
-    polygon: "polygon"
-};

mobile/traque-app/util/gameState.js

@@ -1,6 +0,0 @@
-export const GameState = {
-    SETUP: "setup",
-    PLACEMENT: "placement",
-    PLAYING: "playing",
-    FINISHED: "finished"
-};