[sync] chore: remove dead code (#1203)

[zdtsw]

Description

• the same code has been called up in the Reconcile()
• for both DSCI status and appl. namespace creation

Signed-off-by: Wen Zhou wenzhou@redhat.com
(cherry picked from commit 1a8ce2c)

part of https://issues.redhat.com/browse/RHOAIENG-11883

How Has This Been Tested?

Screenshot or short clip

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• The developer has manually tested the changes and verified that the changes work

[openshift-ci]

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[zdtsw]

/test rhods-operator-e2e

[zdtsw]

/test rhods-operator-e2e

[VaishnaviHire]

/lgtm