You don’t need to keep every license GPO around that is created by LT.
Definitely delete OLD / expired licensing GPOs… what you don’t want is this (seen below.)

What you do want is:

Option 1: One GPO per component license… the latest license you have.
Option 2: A single GPO with the latest component licenses you have.

Use these instructions to install your new license: https://kb.policypak.com/kb/article/1080-how-to-install-universal-licenses-for-new-customers-via-gpo-sccm-or-mdm/
And you can see how to use our LT to help you do a “Deep search” for licenses and help you automatically clean up here