Add CO2 AFOLU emissions from other sources than NAVIGATE

[Fsioutas]

For the state of CDR submission, we used:

1. EU-27 CO2 AFOLU emissions from GLOBIOM and EU reference scenario
2. The rest of the world, REMIND-MAGPIE from the state of CDR submission.

The variable taken: Emissions|CO2|AFOLU, Carbon Removal|Land (absolute value) use