Remove documentation comment related to regulator_init callback.
This solves the following warning when building the kernel documentation:

./include/linux/regulator/machine.h:290: warning: Excess struct member 'regulator_init' description in 'regulator_init_data'

Fixes: 602ff58ae4fe ("regulator: core: remove machine init callback from config")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/lkml/20241023155257.0fa7211d@canb.auug.org.au/
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 include/linux/regulator/machine.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index d0d700ff337af119636bf993114c6d2247f6b291..b3db09a7429beeb64a413a0ba2f785a4c877c018 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -273,8 +273,6 @@ struct regulator_consumer_supply {
  *               be usable.
  * @num_consumer_supplies: Number of consumer device supplies.
  * @consumer_supplies: Consumer device supply configuration.
- *
- * @regulator_init: Callback invoked when the regulator has been registered.
  * @driver_data: Data passed to regulator_init.
  */
 struct regulator_init_data {

-- 
2.45.2