Cleanup: Move ReaderProgressIndicator to compose

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/CircularProgressIndicator.kt

@@ -19,9 +19,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.rotate
 
 @Composable
-fun CombinedCircularProgressIndicator(
-    progress: Float,
-) {
+fun CombinedCircularProgressIndicator(progress: Float) {
     val animatedProgress by animateFloatAsState(
         targetValue = progress,
         animationSpec = ProgressIndicatorDefaults.ProgressAnimationSpec,

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt

@@ -37,7 +37,7 @@ class PagerPageHolder(
     /**
      * Loading progress bar to indicate the current progress.
      */
-    private val progressIndicator: ReaderProgressIndicator = ReaderProgressIndicator(readerThemedContext)
+    private val progressIndicator = ReaderProgressIndicator(readerThemedContext)
 
     /**
      * Error layout to show when the image fails to load.