meta-fii: meta-mori: Disable system-mgmt

Avoid build errors of the form:
ERROR: Nothing RPROVIDES 'virtual-obmc-system-mgmt' (but /opt/openbmc/meta-phosphor/recipes-phosphor/images/obmc-phosphor-image.bb RDEPENDS on or otherwise requires it)

Change-Id: I169ce0e22b74d5fd825a6f560a9ea027bad326a1
Signed-off-by: Peter Foley <pefoley@google.com>
diff --git a/meta-fii/meta-mori/conf/machine/mori.conf b/meta-fii/meta-mori/conf/machine/mori.conf
index 71806c9..b4ae271 100644
--- a/meta-fii/meta-mori/conf/machine/mori.conf
+++ b/meta-fii/meta-mori/conf/machine/mori.conf
@@ -20,6 +20,8 @@
 
 SERIAL_CONSOLES = "115200;ttyS0"
 
+IMAGE_FEATURES:remove = "obmc-system-mgmt"
+
 OBMC_MACHINE_FEATURES += " \
     obmc-host-ipmi \
     obmc-host-state-mgmt \