client: remove put()

Apparently it is not used anywhere

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

client/request.go

@@ -50,15 +50,6 @@ func (cli *Client) postRaw(ctx context.Context, path string, query url.Values, b
 	return cli.sendRequest(ctx, "POST", path, query, body, headers)
 }
 
-// put sends an http request to the docker API using the method PUT.
-func (cli *Client) put(ctx context.Context, path string, query url.Values, obj interface{}, headers map[string][]string) (serverResponse, error) {
-	body, headers, err := encodeBody(obj, headers)
-	if err != nil {
-		return serverResponse{}, err
-	}
-	return cli.sendRequest(ctx, "PUT", path, query, body, headers)
-}
-
 // putRaw sends an http request to the docker API using the method PUT.
 func (cli *Client) putRaw(ctx context.Context, path string, query url.Values, body io.Reader, headers map[string][]string) (serverResponse, error) {
 	return cli.sendRequest(ctx, "PUT", path, query, body, headers)