UPSTREAM: regulator: qcom_smd: Drop regulator/{machine,of_regulator} includes

These seem to be leftovers from previous developments of the driver but
they never got removed. Dropping them still allows the code to compile
so everything must be fine.

Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from commit 6a2e3c3e)
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>