Revert "start-proxy: Skip proxy setup if no credentials are available"

[marcogario]

Reverts #2724

The logic setting the proxy for maven fails with the empty variables. Though the error is non-fatal, this is not really improving the situation and might actually make it worse.

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Comments suppressed due to low confidence (1)

src/start-proxy-action.ts:102

• By removing the check for zero credentials, this code proceeds with proxy setup even if the credentials array is empty, which may lead to unexpected behavior or errors. Reintroduce a condition for the empty credentials scenario, or confirm that subsequent logic gracefully handles it.

logger.info(

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