Remove last go get from the e2e-test-yaml

Following commit 2af394c there was a `go
get` left which wasnt removed.

Since we have it in vendor directory we don't need to donwload it again.

Signed-off-by: Chmouel Boudjnah <chmouel@redhat.com>

Author: chmouel

test/e2e-tests-yaml.sh

@@ -17,7 +17,6 @@
 # This script calls out to scripts in tektoncd/plumbing to setup a cluster
 # and deploy Tekton Pipelines to it for running integration tests.
 
-go get -d github.com/GoogleCloudPlatform/cloud-builders/gcs-fetcher/cmd/gcs-fetcher
 source $(git rev-parse --show-toplevel)/test/e2e-common.sh
 
 # Script entry point.