Remove useless code

app/src/main/java/org/mydomain/myscan/MainActivity.kt

@@ -51,7 +51,6 @@ class MainActivity : ComponentActivity() {
             val pageIds by viewModel.pageIds.collectAsStateWithLifecycle()
             val context = LocalContext.current
             MyScanTheme {
-                Column {
                 when (val screen = currentScreen) {
                     is Screen.Camera -> {
                         CameraScreen(
@@ -79,7 +78,6 @@ class MainActivity : ComponentActivity() {
             }
         }
     }
-    }
 
     private fun sharePdf(
         viewModel: MainViewModel,

app/src/main/java/org/mydomain/myscan/MainViewModel.kt

@@ -170,8 +170,6 @@ class MainViewModel(
         }
     }
 
-    fun pageCount(): Int = pageIds.value.size
-
     fun getBitmap(id: String): Bitmap? {
         val bytes = imageRepository.getContent(id)
         return bytes?.let { BitmapFactory.decodeByteArray(it, 0, it.size) }