fix(requester-node-http): remove listeners after request settles

[Steve0x2a]

createHttpRequester attached data / end / error listeners on each Node http response (and error on the request) and never tore them down. With the keep-alive agent those emitters stay reachable, so the handlers keep response buffers alive across repeated client.search() calls.

On success, error, and timeout, this now calls removeAllListeners() on the request and response so those handlers cannot retain the settled exchange.

Thanks @aymeric-giraudet for the report and the removeAllListeners workaround.

Fixes #1570

[github-actions]

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🟢 Metrics 14 complexity · 2 duplication

Metric	Results
Complexity	14
Duplication	2

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