rtlwifi: remove redundant assignment to variable k

The assignment of 0 to variable k is never read once we break out of
the loop, so the assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtlwifi/efuse.c

@@ -117,10 +117,8 @@ u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
 						 rtlpriv->cfg->
 						 maps[EFUSE_CTRL] + 3);
 			k++;
-			if (k == 1000) {
-				k = 0;
+			if (k == 1000)
 				break;
-			}
 		}
 		data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 		return data;