go-client: Don’t poll deploy after upload

We decided we no longer need to poll here.  The reason we were polling was to fail the build prior to cache creation.  

This change, essentially allows for cache creation even if tree operations fail later, which is our fault most likely.

Author: bcomnes

go/porcelain/deploy.go

@@ -290,7 +290,7 @@ func (n *Netlify) DoDeploy(ctx context.Context, options *DeployOptions, deploy *
 		}
 	}
 
-	return n.WaitForDeployComplete(ctx, deploy, options.DoneProcessingTimeout)
+	return deploy, nil
 }
 
 func (n *Netlify) waitForState(ctx context.Context, d *models.Deploy, timeout time.Duration, states ...string) (*models.Deploy, error) {