**Motivation**
Discussions were previously ongoing to make our entire monorepo and
packages within Apache-2.0 license. The only remaining packages which
were previously under LGPL-v3 were the beacon node, cli, validator
packages.
**Description**
This PR marks the switch for all packages in the Lodestar monorepository
to be under one license, Apache-2.0 of which the majority of consensus
clients have adopted. This PR:
- Removes any instance of LGPLv3
- Switches all LICENSE to adopt Apache-2.0
- Removes CLA bot signing as part of our contribution.md