Remove obmc-control-chassis from chassis package

That recipe installs chassis_control.py, which is a script from skeleton
that has been superseded by newer state management and button handler
code and so is no longer needed.

Change-Id: Ia4c3fdcea1aff71b329a13c32fff507a7dbb4906
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/recipes-phosphor/packagegroups/packagegroup-op-apps.bb b/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
index fba9ab2..76f6f05 100644
--- a/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
+++ b/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
@@ -26,7 +26,6 @@
 RDEPENDS_${PN}-chassis = " \
         obmc-phosphor-buttons-signals \
         obmc-phosphor-buttons-handler \
-        obmc-control-chassis \
         obmc-op-control-power \
         obmc-host-failure-reboots \
         "