Werk #7124: Check_MK Discovery/Inventory: Removed duplicate agent info monitoring

Previously the agent information about agent version and only-from configuration was checked by the {{Check_MK}}, {{Check_MK Discovery}} and {{Check_MK HW/SW Inventory}} service.

We removed this duplicate agent information monitoring from the {{Check_MK Discovery}} and {{Check_MK HW/SW Inventory}} service.

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