How to completely erase data from plants vs zombies (xbox 360) on an Xbox one S

Ive been wanting to play plants vs zombies again but every time I delete the reserved space on my xbox one S and load the game, it still loads back to previously saved and the reserved space is there yet again. Ive tried disabling the cloud space on my
xbox 360 to see if that would work but it still loads up to the same point and it asks me to choose a device and my only option is cloud saved games even after I disabled it. I just want to play plants vs zombies again from the beginning.

:)