commands: delete obsolete include

This was removed in https://weave-review.googlesource.com/#/c/1788/

Change-Id: I7c1165c0e003cd7bb478555ac7886ed99d320615
Reviewed-on: https://weave-review.googlesource.com/1794
Reviewed-by: Alex Vakulenko <avakulenko@google.com>
1 file changed