fix : Retrait de React Navigation, pas utile pour le projet

package.json

@@ -7,10 +7,6 @@
     "@expo-google-fonts/jetbrains-mono": "^0.4.1",
     "@expo-google-fonts/space-grotesk": "^0.4.1",
     "@expo/ui": "~56.0.14",
-    "@react-navigation/bottom-tabs": "^7.18.18",
-    "@react-navigation/elements": "^2.9.19",
-    "@react-navigation/native": "^7.3.18",
-    "@react-navigation/native-stack": "^7.16.0",
     "babel-preset-expo": "^57.0.9",
     "expo": "~56.0.5",
     "expo-blur": "~56.0.4",