bgscan: Remove unnecessary NULL check

bgscan_init() is the only caller for the init() function and the
parameters argument is never NULL.

Signed-off-by: Jouni Malinen <j@w1.fi>

wpa_supplicant/bgscan_learn.c

@@ -320,9 +320,6 @@ static int bgscan_learn_get_params(struct bgscan_learn_data *data,
 {
 	const char *pos;
 
-	if (params == NULL)
-		return 0;
-
 	data->short_interval = atoi(params);
 
 	pos = os_strchr(params, ':');

wpa_supplicant/bgscan_simple.c

@@ -80,9 +80,6 @@ static int bgscan_simple_get_params(struct bgscan_simple_data *data,
 {
 	const char *pos;
 
-	if (params == NULL)
-		return 0;
-
 	data->short_interval = atoi(params);
 
 	pos = os_strchr(params, ':');