ibm: Remove rainier

The rainier machine has been replaced with the generic p10bmc.

Change-Id: Ia7b6e8b6ad569d6f607d4a38318704fb402f2a1f
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-ibm/conf/machine/p10bmc.conf b/meta-ibm/conf/machine/p10bmc.conf
index e71b10c..58319bf 100644
--- a/meta-ibm/conf/machine/p10bmc.conf
+++ b/meta-ibm/conf/machine/p10bmc.conf
@@ -5,8 +5,6 @@
 
 OBMC_POWER_SUPPLY_INSTANCES = "0 1 2 3"
 
-# TODO remove the MACHINEOVERRIDES when the rainier.conf file is removed.
-MACHINEOVERRIDES =. "p10bmc:"
 require conf/machine/include/ast2600.inc
 require conf/machine/include/obmc-bsp-common.inc
 require conf/machine/include/openpower.inc
diff --git a/meta-ibm/conf/machine/rainier.conf b/meta-ibm/conf/machine/rainier.conf
deleted file mode 120000
index ddfb6ec..0000000
--- a/meta-ibm/conf/machine/rainier.conf
+++ /dev/null
@@ -1 +0,0 @@
-p10bmc.conf
\ No newline at end of file