fixes #5812 - url parameter in compute_resource#create is not required for EC2, removing the required flag
(cherry picked from commit 06c8a10ebcfe2bf2e61fa4a047d1002abe90cbbf)
fixes #5812 - url parameter in compute_resource#create is not required for EC2, removing the required flag
(cherry picked from commit 06c8a10ebcfe2bf2e61fa4a047d1002abe90cbbf)