interconnect: Make icc_provider_del() return void
All users ignore the return value of icc_provider_del(). Consequently make it not return an error code. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20220718121409.171773-8-u.kleine-koenig@pengutronix.deSigned-off-by: Georgi Djakov <djakov@kernel.org>
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