net/http: remove an unused variable in readCookies function

Change-Id: I9d77655026f16a41a77bd0036d693a40cdd6d52f
Reviewed-on: https://go-review.googlesource.com/52090Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Joe Tsai <thebrokentoaster@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

src/net/http/cookie.go

@@ -208,7 +208,6 @@ func readCookies(h Header, filter string) []*Cookie {
 			continue
 		}
 		// Per-line attributes
-		parsedPairs := 0
 		for i := 0; i < len(parts); i++ {
 			parts[i] = strings.TrimSpace(parts[i])
 			if len(parts[i]) == 0 {
@@ -229,7 +228,6 @@ func readCookies(h Header, filter string) []*Cookie {
 				continue
 			}
 			cookies = append(cookies, &Cookie{Name: name, Value: val})
-			parsedPairs++
 		}
 	}
 	return cookies