header.go
func (h *RequestHeader) DelCookie(key string) {
	h.parseRawHeaders()
	h.collectCookies()
	h.cookies = delAllArgs(h.cookies, key)
}
func (h *RequestHeader) DelCookie(key string) {
	h.parseRawHeaders()
	h.collectCookies()
	h.cookies = delAllArgs(h.cookies, key)
}
func ( h * RequestHeader ) DelCookie ( key string ) { h . parseRawHeaders ( ) h . collectCookies ( ) h . cookies = delAllArgs ( h . cookies , key ) }
// DelCookie removes cookie under the given key.
DelCookie removes cookie under the given key .