fix(camera): drop unused expo-camera; viewfinder crash-safe on Android

- remove expo-camera dep (autolink forced CameraX 1.6.0 over vision-camera
  4.7.3's pinned 1.5.0-alpha03, breaking device enumeration on Xiaomi)
- Android: disable Skia frame processor in viewfinder - devices w/o
  hardware-buffered ImageAnalysis frames (Xiaomi 14 Ultra) crash in
  frame.getNativeBuffer(); live filter stays on iOS, filters still apply
  at capture/export

package.json

@@ -9,7 +9,6 @@
     "babel-preset-expo": "~57.0.0",
     "expo": "~57.0.7",
     "expo-asset": "~57.0.5",
-    "expo-camera": "~57.0.2",
     "expo-dev-client": "~57.0.6",
     "expo-file-system": "~57.0.1",
     "expo-font": "~57.0.1",