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There are some redundant classes: enable-selinux.bbclass,
with-selinux.bbclass, meson-enable-selinux.bbclass,
meson-selinux.bbclass, enable-audit.bbclass, with-audit.bbclass.
These classes only add PACKAGEOCNFIG[selinux]/[audit] to recipes. But
currently most recipes have added PACKAGECONFIG[selinux]/[audit] in
their bb files. We don't need these anymore. Only keep
enable-selinux.class and enable-audit.class to append
PACKAGECONFIG[selinux]/[audit] for recipes.
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Joe MacDonald <joe@deserted.net>