fix(connectors): remove redundant variable from examples

[chillleader]

Description

Removes the redundant variable SPRING_MAIN_WEB-APPLICATION_TYPE from examples. It's insignificant and its declaration conflits with default health indicators of the connector runtime in the newer connectors versions.

When should this change go live?

• This change is not yet live and should not be merged until {ADD_DATE} (apply hold label or convert to draft PR)?
• There is no urgency with this change.
• This change or page is part of a marketing blog, conference talk, or something else on a schedule.
• This functionality is already available but undocumented.
• This is a bug fix or security concern.

PR Checklist

• I have added changes to the relevant /versioned_docs directory, or they are not for an already released version.
• I have added changes to the main /docs directory (aka /next/), or they are not for future versions.
• My changes require an Engineering review, and I've assigned an engineering manager or tech lead as a reviewer, or my changes do not require an Engineering review.
• My changes require a technical writer review, and I've assigned @christinaausley as a reviewer, or my changes do not require a technical writer review.

[akeller]

This can merge without a technical writing review. Please reach out on ask-c8-documentation if you'd like it released immediately after.

[igpetrov]

Wondering if these are still needed.

[chillleader]

Yes, these are still needed if you want to disable Operate connection without breaking anything else. Thanks for checking 🙂