Lost space after removing bootcamp So I removed bootcamp and now there is a partition called "free space" that I can't remove.

Here is my output from diskutil list:



Here is the screenshot from disk utility showing the partitions:



And here is the error I get when I try to remove "free space":



Heres the output when I run 

sudo diskutil apfs resizeContainer disk0s2 0
This is a very common question. Once again, the answer is given below.

sudo diskutil apfs resizeContainer disk0s2 0