Cleanup dead variables and unused imports, swap ImageBackground for Image in FrameOverlay

src/screens/CameraScreen.tsx

@@ -23,7 +23,6 @@ import Animated, {
   FadeIn,
   FadeOut,
   withSequence,
-  withDelay,
   runOnJS,
 } from 'react-native-reanimated';
 import { FontAwesomeIcon } from '@fortawesome/react-native-fontawesome';
@@ -290,8 +289,6 @@ export default function CameraScreen({
       triggerFlash();
 
       let capturedUri: string;
-      let rawWidth: number = 0;
-      let rawHeight: number = 0;
 
       if (Platform.OS === 'android' && isUsbConnected && usbCameraRef.current) {
         // USB Camera Capture