Revert "WallpaperCropper: Fix crash when set .gif as wallpaper"

This reverts commit 4ded96159fa7f1750543829966101c235d23a843.
Revert "wallpapercropper: OOM issue while opening *.bmp image"

This reverts commit c46be01bf7661ccb8b5375995e063962448223a8.