driver core: auxiliary bus: Remove unneeded module bits

mainline inclusion
from mainline-v5.13-rc1
commit bbf44abe
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I4O662


CVE: NA

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Remove module bits in the auxiliary bus code since the auxiliary bus
cannot be built as a module and the relevant code is not needed.

Cc: Dave Ertman <david.m.ertman@intel.com>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161307488980.1896017.15627190714413338196.stgit@djiang5-desk3.ch.intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Yuanzheng Song <songyuanzheng@huawei.com>
Reviewed-by: Kefeng <Wang&lt;wangkefeng.wang@huawei.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>