remove spotify as lyrics source

In order to stay on f-droid spotify has to be removed. Doing different flavors is not worth it in my opinion.

app/src/main/java/com/illusionman1212/lyricsgrabbr/LGApp.kt

@@ -5,7 +5,6 @@ import android.content.Context
 import androidx.datastore.core.DataStore
 import androidx.datastore.preferences.core.Preferences
 import androidx.datastore.preferences.preferencesDataStore
-import com.adamratzman.spotify.auth.SpotifyDefaultCredentialStore
 import com.illusionman1212.lyricsgrabbr.data.HomeRepository
 import com.illusionman1212.lyricsgrabbr.data.LyricsRepository
 import com.illusionman1212.lyricsgrabbr.data.SettingsPreferencesRepository
@@ -15,24 +14,15 @@ private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(
     name = PREFERENCES_NAME
 )
 
-const val SPOTIFY_REDIRECT_URI = "lyricsgrabbr://spotify-auth"
-
 class LGApp: Application() {
     lateinit var settingsPreferencesRepository: SettingsPreferencesRepository
     lateinit var homeRepository: HomeRepository
     lateinit var lyricsRepository: LyricsRepository
-    val credentialStore by lazy {
-        SpotifyDefaultCredentialStore(
-            clientId = "",
-            redirectUri = SPOTIFY_REDIRECT_URI,
-            applicationContext = applicationContext
-        )
-    }
 
     override fun onCreate() {
         super.onCreate()
         settingsPreferencesRepository = SettingsPreferencesRepository(dataStore)
         homeRepository = HomeRepository(applicationContext)
-        lyricsRepository = LyricsRepository(applicationContext)
+        lyricsRepository = LyricsRepository()
     }
 }