staging: rtl8188eu: remove all DBG_88E calls from os_dep/xmit_linux.c

Remove all DBG_88E calls from os_dep/xmit_linux.c as this macro is
unnecessary, and many of these calls are dubious in terms of necessity.
Removing all calls will ultimately allow the removal of the macro
itself.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210615001507.1171-16-phil@philpotter.co.ukSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/xmit_linux.c

@@ -26,10 +26,8 @@ int rtw_os_xmit_resource_alloc(struct xmit_buf *pxmitbuf, u32 alloc_sz)
 
 	for (i = 0; i < 8; i++) {
 		pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
-		if (!pxmitbuf->pxmit_urb[i]) {
-			DBG_88E("pxmitbuf->pxmit_urb[i]==NULL");
+		if (!pxmitbuf->pxmit_urb[i])
 			return _FAIL;
-		}
 	}
 	return _SUCCESS;
 }
@@ -132,16 +130,12 @@ static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb)
 			memcpy(newskb->data, psta->hwaddr, 6);
 			res = rtw_xmit(padapter, &newskb);
 			if (res < 0) {
-				DBG_88E("%s()-%d: rtw_xmit() return error!\n",
-					__func__, __LINE__);
 				pxmitpriv->tx_drop++;
 				dev_kfree_skb_any(newskb);
 			} else {
 				pxmitpriv->tx_pkts++;
 			}
 		} else {
-			DBG_88E("%s-%d: skb_copy() failed!\n",
-				__func__, __LINE__);
 			pxmitpriv->tx_drop++;
 
 			spin_unlock_bh(&pstapriv->asoc_list_lock);