Lockscreen AlbumArt

Hello guys, i want to remove the lockscreen AlbumArt, i don't want use an xposed module, i want to edit some .apk, but i don't have any idea on wich file i have to work, if anyone can help be it would be great

Quote:

Device: Samsung Galaxy Core 2 Running: Android KitKat 4.4.2 Firmware: G355MUBU0AOF3

Here some SS of what i want to remove:



Note: I'm using the default SamungMusicPlayer

Attached Thumbnails