Use default arch thread pool

app/src/main/java/org/tasks/injection/ProductionModule.kt

@@ -7,7 +7,6 @@ import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
-import kotlinx.coroutines.Dispatchers
 import org.tasks.BuildConfig
 import org.tasks.R
 import org.tasks.caldav.FileStorage
@@ -37,7 +36,6 @@ internal class ProductionModule {
             context = context,
             name = databaseFile.absolutePath
         )
-            .setQueryCoroutineContext(Dispatchers.IO)
             .addMigrations(*Migrations.migrations(context, fileStorage))
         if (!BuildConfig.DEBUG || !preferences.getBoolean(R.string.p_crash_main_queries, false)) {
             builder.allowMainThreadQueries()