staging: rtl8723bs: remove redundant comparisons of unsigned ints with >= 0

The comparison of mode >= 0 is redundant as mode is a u32 and this
is always true.  Remove this redundant code.

Detected with CoverityScan ("Unsigned compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_debug.c

@@ -1031,7 +1031,7 @@ ssize_t proc_set_ht_enable(struct file *file, const char __user *buffer, size_t
 	if (buffer && !copy_from_user(tmp, buffer, sizeof(tmp))) {
 		sscanf(tmp, "%d ", &mode);
 
-		if (pregpriv && mode >= 0 && mode < 2) {
+		if (pregpriv && mode < 2) {
 			pregpriv->ht_enable = mode;
 			printk("ht_enable =%d\n", pregpriv->ht_enable);
 		}
@@ -1150,7 +1150,7 @@ ssize_t proc_set_rx_ampdu(struct file *file, const char __user *buffer, size_t c
 
 		sscanf(tmp, "%d ", &mode);
 
-		if (pregpriv && mode >= 0 && mode < 2) {
+		if (pregpriv && mode < 2) {
 			pmlmeinfo->bAcceptAddbaReq = mode;
 			DBG_871X("pmlmeinfo->bAcceptAddbaReq =%d\n", pmlmeinfo->bAcceptAddbaReq);
 			if (mode == 0) {
@@ -1191,7 +1191,7 @@ ssize_t proc_set_en_fwps(struct file *file, const char __user *buffer, size_t co
 	if (buffer && !copy_from_user(tmp, buffer, sizeof(tmp))) {
 		sscanf(tmp, "%d ", &mode);
 
-		if (pregpriv && mode >= 0 && mode < 2) {
+		if (pregpriv && mode < 2) {
 			pregpriv->check_fw_ps = mode;
 			DBG_871X("pregpriv->check_fw_ps =%d\n", pregpriv->check_fw_ps);
 		}