[#133] client: Don't accept session token params in PutContainer

PutContainer method takes `container.Container` structure
as an argument. This structure already contains session
token field, so there is no need in `prmSession` because it
duplicates session token definition.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

client/container.go

@@ -20,8 +20,6 @@ import (
 
 // ContainerPutPrm groups parameters of PutContainer operation.
 type ContainerPutPrm struct {
-	prmSession
-
 	cnrSet bool
 	cnr    container.Container
 }
@@ -101,8 +99,7 @@ func (c *Client) PutContainer(ctx context.Context, prm ContainerPutPrm) (*Contai
 
 	// form meta header
 	var meta v2session.RequestMetaHeader
-
-	prm.prmSession.writeToMetaHeader(&meta)
+	meta.SetSessionToken(prm.cnr.SessionToken().ToV2())
 
 	// form request
 	var req v2container.PutRequest

pool/pool.go

@@ -764,10 +764,6 @@ func (p *pool) PutContainer(ctx context.Context, cnr *container.Container, opts
 		cliPrm.SetContainer(*cnr)
 	}
 
-	if cfg.stoken != nil {
-		cliPrm.SetSessionToken(*cfg.stoken)
-	}
-
 	res, err := cp.client.PutContainer(ctx, cliPrm)
 
 	if p.checkSessionTokenErr(err, cp.address) && !cfg.isRetry {