thermal/drivers/imx_sc_thermal: Drop empty platform remove function

thermal/drivers/imx_sc_thermal: Drop empty platform remove function

[ Upstream commit 5011a110295d25418f5918a6af7bfcdb00dd4e34 ]

A remove callback just returning 0 is equivalent to no remove callback
at all. So drop the useless function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221212220217.3777176-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Stable-dep-of: 4b26b7c9cdef ("thermal/drivers/imx_sc_thermal: Fix the loop condition")
Signed-off-by: Sasha Levin <sashal@kernel.org>