Remove a value from the shared store and notify other processes of the change.
Note that removing a key sets its value to undefined in the store. The key-value pair isn't
actually deleted. This is done to avoid race conditions if a value for this key is set again
quickly.
Remove a value from the shared store and notify other processes of the change.
Note that removing a key sets its value to undefined in the store. The key-value pair isn't actually deleted. This is done to avoid race conditions if a value for this key is set again quickly.