Disable container core plugin

What does this MR do and why?

We have app/helpers/page_layout_helper.rb#L139 and are not using the Tailwind container class so let's disable it.

References

• Should we disable `container` Tailwind core plu... (gitlab-ui#2956 - closed)

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Popover before and now no popover

Before	After

gl-container not used

How to set up and validate locally

1. Search for gl-container, it should not be used
2. Try to use gl-container, it will apply no styles