Remove invalid documentation

The Timeout functions don't use separate goroutines anymore and use
normaly deadlines. Because of that requests are terminated and don't
keep running in the background as before.

client.go

@@ -59,11 +59,6 @@ func Do(req *Request, resp *Response) error {
 //
 // It is recommended obtaining req and resp via AcquireRequest
 // and AcquireResponse in performance-critical code.
-//
-// Warning: DoTimeout does not terminate the request itself. The request will
-// continue in the background and the response will be discarded.
-// If requests take too long and the connection pool gets filled up please
-// try using a Client and setting a ReadTimeout.
 func DoTimeout(req *Request, resp *Response, timeout time.Duration) error {
 	return defaultClient.DoTimeout(req, resp, timeout)
 }
@@ -383,11 +378,6 @@ func (c *Client) Post(dst []byte, url string, postArgs *Args) (statusCode int, b
 //
 // It is recommended obtaining req and resp via AcquireRequest
 // and AcquireResponse in performance-critical code.
-//
-// Warning: DoTimeout does not terminate the request itself. The request will
-// continue in the background and the response will be discarded.
-// If requests take too long and the connection pool gets filled up please
-// try setting a ReadTimeout.
 func (c *Client) DoTimeout(req *Request, resp *Response, timeout time.Duration) error {
 	req.timeout = timeout
 	if req.timeout < 0 {
@@ -1167,11 +1157,6 @@ func ReleaseResponse(resp *Response) {
 //
 // It is recommended obtaining req and resp via AcquireRequest
 // and AcquireResponse in performance-critical code.
-//
-// Warning: DoTimeout does not terminate the request itself. The request will
-// continue in the background and the response will be discarded.
-// If requests take too long and the connection pool gets filled up please
-// try setting a ReadTimeout.
 func (c *HostClient) DoTimeout(req *Request, resp *Response, timeout time.Duration) error {
 	req.timeout = timeout
 	if req.timeout < 0 {
@@ -2381,11 +2366,6 @@ type pipelineWork struct {
 //
 // It is recommended obtaining req and resp via AcquireRequest
 // and AcquireResponse in performance-critical code.
-//
-// Warning: DoTimeout does not terminate the request itself. The request will
-// continue in the background and the response will be discarded.
-// If requests take too long and the connection pool gets filled up please
-// try setting a ReadTimeout.
 func (c *PipelineClient) DoTimeout(req *Request, resp *Response, timeout time.Duration) error {
 	return c.DoDeadline(req, resp, time.Now().Add(timeout))
 }