staging: rtl8723au: Remove unneeded comments

This commit removes a number of unneeded comments. Two of the
aforementioned comments were most likely meant to aid with version
control, whereas the remaining two comments relate to (now unused)
local variable names.
Signed-off-by: NM. Vefa Bicakci <m.v.b@runbox.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_security.c

@@ -679,7 +679,7 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter,
 				 "pattrib->iv_len =%x, pattrib->icv_len =%x\n",
 				 pattrib->iv_len,
 				 pattrib->icv_len);
-			*((u32 *)crc) = cpu_to_le32(getcrc32(payload, length)); /* modified by Amy */
+			*((u32 *)crc) = cpu_to_le32(getcrc32(payload, length));
 
 			arcfour_init(&mycontext, rc4key, 16);
 			arcfour_encrypt(&mycontext, payload, payload, length);
@@ -691,7 +691,7 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter,
 				  pattrib->iv_len -
 				  pattrib->icv_len);
 
-			*((u32 *)crc) = cpu_to_le32(getcrc32(payload, length)); /* modified by Amy */
+			*((u32 *)crc) = cpu_to_le32(getcrc32(payload, length));
 			arcfour_init(&mycontext, rc4key, 16);
 			arcfour_encrypt(&mycontext, payload, payload, length);
 			arcfour_encrypt(&mycontext, payload + length, crc, 4);
@@ -1285,7 +1285,7 @@ int rtw_aes_encrypt23a(struct rtw_adapter *padapter,
 	/* Intermediate Buffers */
 	int curfragnum, length;
 	u32 prwskeylen;
-	u8 *pframe, *prwskey; /* *payload, *iv */
+	u8 *pframe, *prwskey;
 	u8 hw_hdr_offset = 0;
 	struct sta_info *stainfo;
 	struct pkt_attrib *pattrib = &pxmitframe->attrib;
@@ -1574,7 +1574,7 @@ int rtw_aes_decrypt23a(struct rtw_adapter *padapter,
 	struct security_priv *psecuritypriv = &padapter->securitypriv;
 	struct sk_buff *skb = precvframe->pkt;
 	int length;
-	u8 *pframe, *prwskey; /* *payload, *iv */
+	u8 *pframe, *prwskey;
 	int res = _SUCCESS;
 
 	pframe = skb->data;