remove unused test style to resolve lint score

src/main/res/values/styles.xml

@@ -256,5 +256,4 @@
 	</style>
 	<style name="NextcloudTextAppearanceSmall" parent="style/TextAppearance.AppCompat.Small">
 	</style>
-	<style name="Test" parent=""/>
-</resources>
+</resources>