Undo react-docs node 18 hotfix after the docs-framework is upgraded to webpack 5

[wise-king-sullyman]

Once the docs-framework is upgraded to webpack 5 we should undo the react-docs package file script changes and remove the bash script added in #8766 and #8788

Blocked by patternfly/patternfly-org#3432

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.