chore(examples): remove duplicate examples

[balazsorban44]

with-webpack-bundle-analyzer and with-webpack-bundle-size-analyzer are a duplicate/outdated versions of the analyze-bundles example and thus should be removed to avoid confusion.

Related: #26715

Bug

• Related issues linked using fixes #number
• Integration tests added
• Errors have helpful link attached, see contributing.md

Feature

• Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
• Related issues linked using fixes #number
• Integration tests added
• Documentation added
• Telemetry added. In case of a feature if it's used or not.
• Errors have helpful link attached, see contributing.md

Documentation / Examples

• Make sure the linting passes by running yarn lint