Revert "Deprecate ibmc"

This reverts commit 7e825a28c0a049c38567bb44dc316def562fc25c.

The iBMC module was undeprecated in
66a0533d06913b39bbb50ab6e1d08a16172be2f4, but several of the changes
from the original deprecation were not reverted.

Change-Id: I27a66cc92f320e73a63d2025a50a68f6a3731813
Story: 2007594
Task: 39808

doc/source/admin/drivers/ibmc.rst

@@ -2,10 +2,6 @@
 iBMC driver
 ===============
 
-.. warning::
-   The ``ibmc`` driver has been deprecated due to a lack of a functioning
-   third party CI and will be removed in the Victoria development cycle.
-
 Overview
 ========
 

ironic/drivers/modules/ibmc/management.py

@@ -34,8 +34,6 @@ LOG = log.getLogger(__name__)
 
 class IBMCManagement(base.ManagementInterface):
 
-    supported = False
-
     def __init__(self):
         """Initialize the iBMC management interface
 

ironic/drivers/modules/ibmc/power.py

@@ -40,8 +40,6 @@ EXPECT_POWER_STATE_MAP = {
 
 class IBMCPower(base.PowerInterface):
 
-    supported = False
-
     def __init__(self):
         """Initialize the iBMC power interface.
 

ironic/drivers/modules/ibmc/vendor.py

@@ -29,8 +29,6 @@ LOG = log.getLogger(__name__)
 
 class IBMCVendor(base.VendorInterface):
 
-    supported = False
-
     def __init__(self):
         """Initialize the iBMC vendor interface.