In the event you do not wish to use it, simply uninstall it completely at the same time from all MACs, and it should not be reinstalled (assuming this is the problem)....
...In this situation, the safest approach is usually not to uninstall Bitdefender, but to add carefully scoped exceptions for the specific MCP server folders/processes that you trust....
...Finally, if needed, as a trial-and-error approach, you can try uninstalling the Bitdefender product, as suggested by @Petersl in the previous comment....