removed namespace for clusterclass and cluster with topology

[deepakm-ntnx]

What this PR does / why we need it:
This PR removes the default addition of namespace in all the objects related to clusterclass and cluster with topology so that user does not have to define an extra env variable NAMESPACE and can provide teh same at the time of kubectl create/apply itself giving them flexibility and its also a standard practice in the industry

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

How Has This Been Tested?:

make cluster-templates
make cluster-e2e-templates

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration and test output

Special notes for your reviewer:

Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

Release note:

[nutanix-cn-prow-bot]

@deepakm-ntnx: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-k8s-upgrade	a0648b2	link	false	/test e2e-k8s-upgrade
ci/prow/e2e-capx-conformance	a0648b2	link	false	/test e2e-capx-conformance

Full PR test history. Your PR dashboard.

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[deepakm-ntnx]

/retest-required

[deepakm-ntnx]

/test e2e-capx-controller-upgrade

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 20.37%. Comparing base (aec5951) to head (a0648b2).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #384   +/-   ##
=======================================
  Coverage   20.37%   20.37%           
=======================================
  Files          17       17           
  Lines        1212     1212           
=======================================
  Hits          247      247           
  Misses        965      965           

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[thunderboltsid]

/lgtm
/approve

[nutanix-cn-prow-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: deepakm-ntnx, jimmidyson, thunderboltsid

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• OWNERS [deepakm-ntnx,thunderboltsid]

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