rtc: rv3028: stop setting max_user_freq

max_user_freq has not been related to the hardware RTC since commit
6610e08 ("RTC: Rework RTC code to use timerqueue for events"). Stop
setting it from individual driver to avoid confusing new contributors.

Link: https://patch.msgid.link/20251101-max_user_freq-v1-5-c9a274fd6883@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

Author: alexandrebelloni

drivers/rtc/rtc-rv3028.c

@@ -1023,8 +1023,6 @@ static int rv3028_probe(struct i2c_client *client)
 	eeprom_cfg.priv = rv3028;
 	devm_rtc_nvmem_register(rv3028->rtc, &eeprom_cfg);
 
-	rv3028->rtc->max_user_freq = 1;
-
 #ifdef CONFIG_COMMON_CLK
 	rv3028_clkout_register_clk(rv3028, client);
 #endif