meta-google: systemd: Drop obsolete overrides

These got updated in meta-phosphor in 305902e3c04e25ba769f3b682bf1dc39266e9447.

Change-Id: Ie75a6b949323bce1ffb4260247730b3d78a1ee46
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-core/systemd/systemd_%.bbappend b/meta-google/recipes-core/systemd/systemd_%.bbappend
index 5185a5e..34e44b4 100644
--- a/meta-google/recipes-core/systemd/systemd_%.bbappend
+++ b/meta-google/recipes-core/systemd/systemd_%.bbappend
@@ -1,11 +1,2 @@
-# We want to be able to manage our coredumps
-PACKAGECONFIG:append:gbmc = " coredump"
-
 # Disable timesync as we don't use it and it makes rebooting much slower
 PACKAGECONFIG:remove:gbmc = "timesyncd"
-
-# We don't need any legacy sysv rc compatability
-PACKAGECONFIG:remove:gbmc = "sysvinit"
-
-# We don't enable kernel modules
-PACKAGECONFIG:remove:gbmc = "kmod"