[PROPOSAL] Remove cypress test

[noCharger]

What are you proposing?

In a few sentences, describe the feature and its core capabilities.

#30 introduces the cypress test on this repo. The best procedure for opensearch-project is to run the integration test from the ft repo, which we have already done #143. We should think about gracefully removing the cypress dependence from this repo. The advantage is that it reduces reliance, makes the project more concise, and reduces potential security vulnerabilities.

[noCharger]

Changes are merged and backported. Resolve issue.