[Housekeeping] Cleanup gh-pages

[yindia]

Describe the Issue

• Currently, we have old documentation in gh-pages but now we are not using the gh-pages for documentation and Add documentation for helm in gh-pages README
  https://github.com/flyteorg/flyte/tree/gh-pages

What if we do not do this?

Related component
Either Specific / all

[yindia]

@samhita-alla @EngHabu do we need the old documentation in gh-pages, Are we using it anywhere ?

[samhita-alla]

@samhita-alla @EngHabu do we need the old documentation in gh-pages, Are we using it anywhere ?

We are not using it anywhere. I believe we can delete it. I'll let @EngHabu confirm.

[EngHabu]

Correct...