Remove devel packages from image

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/conf/distro/openbmc-phosphor.conf b/conf/distro/openbmc-phosphor.conf
index 3625cea..f1e50dc 100644
--- a/conf/distro/openbmc-phosphor.conf
+++ b/conf/distro/openbmc-phosphor.conf
@@ -31,3 +31,5 @@
 MACHINE_FEATURES += " \
         ${OBMC_MACHINE_FEATURES} \
         "
+
+DISTRO_EXTRA_RDEPENDS_remove_qemuarm = "packagegroup-core-device-devel"