mediatek: remove macros for previous kernel versions

Remove unnecessary 'if' macros for previous kernel versions.
After removing kernel 6.1 the kernel is always >= 6.6 so the conditions
are unnecessary.

Signed-off-by: Daniel Golle <[email protected]>

target/linux/mediatek/files/drivers/leds/leds-smartrg-system.c

@@ -7,7 +7,6 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
-#include <linux/version.h>
 
 /**
  * Driver for SmartRG RGBW LED microcontroller.
@@ -160,11 +159,7 @@ srg_led_init_led(struct srg_led_ctrl *sysled_ctrl, struct device_node *np)
 
 static int
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(6,6,0)
-srg_led_probe(struct i2c_client *client, const struct i2c_device_id *id)
-#else
 srg_led_probe(struct i2c_client *client)
-#endif
 {
 	struct device_node *np = client->dev.of_node, *child;
 	struct srg_led_ctrl *sysled_ctrl;
@@ -198,21 +193,13 @@ static void srg_led_disable(struct i2c_client *client)
 		srg_led_i2c_write(sysled_ctrl, i, 0);
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,16,0)
 static void
-#else
-static int
-#endif
 srg_led_remove(struct i2c_client *client)
 {
 	struct srg_led_ctrl *sysled_ctrl = i2c_get_clientdata(client);
 
 	srg_led_disable(client);
 	mutex_destroy(&sysled_ctrl->lock);
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(5,16,0)
-	return 0;
-#endif
 }
 
 static const struct i2c_device_id srg_led_id[] = {