fix: remove events when 200, no need to check response
User might use the SDK to send events to their proxy server, we should only rely on the 200 status code, not the response content for removing successfully sent events. Otherwise, the same event might get sent to the ingestion host again and again.
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Summary
User might use the SDK to send events to their proxy server, we should only rely on the 200 status code, not the response content for removing successfully sent events. Otherwise, the same event might get sent to the ingestion host again and again.
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