Removing value from istio.env

[tonyxrmdavidson]

This commit will remove the value from the DOMAIN key in the istio.env file. It was mistakenly pushed with a value that varies. It no longer needs a value

Description

How Has This Been Tested?

This has been tested in the model-registry-operator via this PR

Merge criteria:

• The commits and have meaningful messages; the author will squash them after approval or will ask to merge with squash.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[openshift-ci]

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[tarilabs]

/lgtm

maybe @lugi0 or @nehachopra27 can chime-in, please?

I'm noting this is removing an hardcoded domain value, but I'm not fully experienced of the implications for this env?

[tonyxrmdavidson]

/lgtm

maybe @lugi0 or @nehachopra27 can chime-in, please?

I'm noting this is removing an hardcoded domain value, but I'm not fully experienced of the implications for this env?

This env file is only used as part of the openshift-ci test and the key value is dynamically set during the test run.