Add --ignore-not-found=true to scaffolded `undeploy` make target

[asmacdo]

Feature Request

While deploying the objects in config/ with kustomize, sometimes it goes wrong (user error) and not all the objects are created. When this happens, make undeploy fails on the first object that doesn't exist. Its easy to work around, just delete them manually. However this interrupts development flow and is a bit annoying.

If we add --ignore-not-found, make undeploy will always try to delete all the objects.

/language go /language ansible /language helm

[openshift-bot]

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/lifecycle stale

[camilamacedo86]

It was added to Golang: https://github.com/operator-framework/operator-sdk/blob/master/testdata/go/v3/memcached-operator/Makefile#L118-L120

We still need to update the Makefile for Ansible/Helm and the new Go+Helm plugin.

c/c @asmacdo @fabianvf @varshaprasad96

[camilamacedo86]

/lifecycle frozen

[openshift-bot]

Stale issues rot after 30d of inactivity.

Mark the issue as fresh by commenting /remove-lifecycle rotten. Rotten issues close after an additional 30d of inactivity. Exclude this issue from closing by commenting /lifecycle frozen.

If this issue is safe to close now please do so with /close.

/lifecycle rotten /remove-lifecycle stale

[asmacdo]

/lifecycle frozen

[camilamacedo86]

Done for GO: https://github.com/operator-framework/operator-sdk/blob/master/testdata/go/v3/memcached-operator/Makefile#L126-L128 because of the KB bump

Missing update the Ansible/Helm dockerfile boilerplate only

[ashutosh887]

Let me know if any work needs to be done on this issue @camilamacedo86 I see it's a Good First Issue