net: l2: wifi: Fix the minimum value

802.11 doesn't have specific constraints, it just says that listen
interval should be >=0 and it a 2 byte field.

3 as a typical DTIM value from nRF chipsets, so, remove the hardware
specific line and just set a failure.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

subsys/net/l2/wifi/wifi_shell.c

@@ -1933,7 +1933,6 @@ static int cmd_wifi_listen_interval(const struct shell *sh, size_t argc, char *a
 		    WIFI_PS_PARAM_LISTEN_INTERVAL_RANGE_INVALID) {
 			PR_WARNING("Setting listen interval failed. Reason :%s\n",
 				   wifi_ps_get_config_err_code_str(params.fail_reason));
-			PR_WARNING("Hardware support valid range : 3 - 65535\n");
 		} else {
 			PR_WARNING("Setting listen interval failed. Reason :%s\n",
 				   wifi_ps_get_config_err_code_str(params.fail_reason));