This question (or its equivalent) has been asked a number of times over the years in relation to Slysoft products (and those of its predecessor, Elby).
In no case has any legitimate reason been put forward for the request.
As indicated by others above, the relevant entry will not in any way adversely affect the operation of your system.
If you do have a legitimate reason for seeking the removal of the entry that prevents abuse of the trial period limitation, then I suggest that you contact Slysoft support.
However, you will not receive any assistance with your request (other than that provided by GJ above) here.