[Refactor] - Remove redundant finalizers from operator (#540)

* Remove redundant finalizers

Signed-off-by: muicoder <muicoder@gmail.com>

 because of CRs ownerReferences have already been associated

* Remove unwanted code

Signed-off-by: Shubham Gupta <iamshubhamgupta2001@gmail.com>

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Signed-off-by: Shubham Gupta <iamshubhamgupta2001@gmail.com>
Co-authored-by: Shubham Gupta <iamshubhamgupta2001@gmail.com>