Revert "WallpaperPicker: Destroy cropview to avoid leaks"

This reverts commit 9a3591e68999b6a81e0fff9cb8fc7d07836773ad.
Revert "Add wallpaper pickers to seperate package [1/2]"

This reverts commit 877965756627d10805193fa5a870633d236f8b2b.