ibm: rainier: remove witherpsoon, ac-server overrides

Rainier mistakenly has witherspoon and ibm-ac-server machine overrides
applied.  Rainier is neither a witherspoon nor an ac-server (accelerated
compute); remove so overrides approrpriate to those system types are not
applied during a Rainier build.

Change-Id: I9c0f226e4399f73f6d9ae60b67b60651c38a02cd
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
1 file changed