Temporary disable CE SQL validation to unblock the nightly job

[devguyio]

Related to #6010

This should be reverted after cloudevents/sdk-go#748 is merged. This should unblock the nightly job.

Proposed Changes

• Removes CE SQL validation until Adding workaround to an overflow error in CE SQL parser cloudevents/sdk-go#748 is merged

[pierDipi]

/lgtm

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: devguyio, pierDipi

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• OWNERS [devguyio,pierDipi]

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[knative-metrics-robot]

The following is the coverage report on the affected files.
Say /test pull-knative-eventing-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/apis/eventing/v1/trigger_validation.go	94.4%	94.1%	-0.3

[codecov]

Codecov Report

Merging #6012 (ca33e14) into main (aab5298) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #6012      +/-   ##
==========================================
- Coverage   82.38%   82.36%   -0.02%     
==========================================
  Files         221      221              
  Lines        7573     7565       -8     
==========================================
- Hits         6239     6231       -8     
  Misses        897      897              
  Partials      437      437              

Impacted Files	Coverage Δ
pkg/apis/eventing/v1/trigger_validation.go	85.61% <ø> (-0.79%)	⬇️

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[devguyio]

/retest

[devguyio]

the flaky TestBrokerWithDLQ failure
/retest