Revert "feat: Deezer artist photo fallback for local artists with no Navidrome image"

This reverts commit 569af968c5.

android/app/src/main/kotlin/com/novasonic/app/ui/screen/ArtistDetailScreen.kt

@@ -218,10 +218,7 @@ fun ArtistDetailScreen(
 
         // Hero card
         item {
-            // Navidrome's own artist image first; if its agents have none (niche artists like N!GHT),
-            // fall back to the matched Deezer artist photo, then the album cover.
             val imgUrl = state.info?.largeImageUrl?.takeIf { it.isNotBlank() }
-                ?: state.deezerImage
                 ?: coverUrl(artist.coverArt)
             Box(
                 Modifier

android/app/src/main/kotlin/com/novasonic/app/viewmodel/ArtistViewModel.kt

@@ -43,8 +43,6 @@ data class ArtistUiState(
     val showEventsSheet: Boolean = false,
     // Deezer fan count of the matched artist (shown under the name), null if unknown
     val fanCount: Long? = null,
-    // Deezer artist photo — hero fallback when Navidrome's agents have no image (niche artists)
-    val deezerImage: String? = null,
     // Preview + download
     val previewingId: Long? = null,
     val downloadSheetItem: ItunesItem? = null,
@@ -123,10 +121,7 @@ class ArtistViewModel(app: Application, savedState: SavedStateHandle) : AndroidV
                 ?: artists.firstOrNull()
         )
         val iArtistId = iArtist?.artistId
-        if (iArtist != null) _state.value = _state.value.copy(
-            fanCount    = iArtist.fanCount ?: _state.value.fanCount,
-            deezerImage = iArtist.artworkUrl100?.takeIf { it.isNotBlank() } ?: _state.value.deezerImage,
-        )
+        if (iArtist?.fanCount != null) _state.value = _state.value.copy(fanCount = iArtist.fanCount)
 
         if (iArtistId != null) {
             coroutineScope {