drop two changes that are not part of this work

`git add -A` while rebasing and committing swept up another agent's edits from
this checkout: a THUMBNAIL_SIZE bump in SubsonicSource and a refreshArtistInfo
call appended to the artwork pass in DownloadRepository. Both are out of scope
here and are reverted to main's version, so they can land through their author's
own change or not at all.

app/src/main/kotlin/com/subtracks/data/repo/DownloadRepository.kt

@@ -341,11 +341,6 @@ class DownloadRepository(
             storeArtwork(sourceId, cover, thumbnail = false)
             storeArtwork(sourceId, cover, thumbnail = true)
         }
-        song?.artistId?.let { artistId ->
-            db.libraryDao().artistOnce(sourceId, artistId)?.let { artist ->
-                sourceRepository.refreshArtistInfo(sourceId, artistId, artist.name, force = false)
-            }
-        }
     }
 
     private suspend fun storeArtwork(

app/src/main/kotlin/com/subtracks/data/source/subsonic/SubsonicSource.kt

@@ -303,7 +303,7 @@ class SubsonicSource(
     private companion object {
         const val PAGE_SIZE = 500
         const val MAX_PAGES = 20_000
-        const val THUMBNAIL_SIZE = 512
+        const val THUMBNAIL_SIZE = 256
     }
 }