Remove CLA and update community links
Remove CLA and update community links

This PR is removing the CLA text and updating the links to the community resources for the project.

Signed-off-by: Jonas Rosland <15419bdca5e41cba4dd5d6dc25b3f879e3a6bed3@vmware.com>

steven-zou/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,wy65701436/harbor,steven-zou/harbor,reasonerjt/harbor,steven-zou/harbor,wy65701436/harbor,wy65701436/harbor,steven-zou/harbor,steven-zou/harbor,wy65701436/harbor,reasonerjt/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,steven-zou/harbor