[#943] service/object: Remove KeyStore from CommonPrm

There is no point to pass key storage in parameters because
it can be defined on the service level of application.

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

cmd/neofs-node/object.go

@@ -300,6 +300,7 @@ func initObjectService(c *cfg) {
 			),
 		),
 		searchsvc.WithNetMapSource(c.cfgNetmap.wrapper),
+		searchsvc.WithKeyStorage(keyStorage),
 	)
 
 	sSearchV2 := searchsvcV2.NewService(
@@ -317,6 +318,7 @@ func initObjectService(c *cfg) {
 			),
 		),
 		getsvc.WithNetMapSource(c.cfgNetmap.wrapper),
+		getsvc.WithKeyStorage(keyStorage),
 	)
 
 	sGetV2 := getsvcV2.NewService(