IRONIC_IPMIINFO_FILE was replaced by IRONIC_HWINFO_FILE in the
Newton release [1].
This removes support for IRONIC_IPMIINFO_FILE.
[1] Commit b61d9c076b
Change-Id: I2770d1f594449466738a670e28ddedbcc7ba2eb0
IRONIC_IPMIINFO_FILE was replaced by IRONIC_HWINFO_FILE in the
Newton release [1].
This removes support for IRONIC_IPMIINFO_FILE.
[1] Commit b61d9c076b
Change-Id: I2770d1f594449466738a670e28ddedbcc7ba2eb0