[#36] tracing: Drop tracing pkg

Tracing will be moved to frostfs-observability repo.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

rpc/client/client.go

@@ -1,7 +1,6 @@
 package client
 
 import (
-	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/pkg/tracing"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 )
@@ -25,14 +24,5 @@ func New(opts ...Option) *Client {
 		c.grpcDialOpts = append(c.grpcDialOpts, grpc.WithTransportCredentials(credentials.NewTLS(c.tlsCfg)))
 	}
 
-	c.grpcDialOpts = append(c.grpcDialOpts,
-		grpc.WithChainUnaryInterceptor(
-			tracing.NewGRPCUnaryClientInteceptor(),
-		),
-		grpc.WithChainStreamInterceptor(
-			tracing.NewGRPCStreamClientInterceptor(),
-		),
-	)
-
 	return &c
 }