regulator: core: remove unused rdev_get_supply()

This is a remnant of commit 70a7fb80e8 ("regulator: core: Fix nested
locking of supplies").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Masahiro Yamada 2019-02-18 15:08:38 +09:00 • committed by Mark Brown
commit 075ddd7568
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