Prop 78: EDEN APR Reduction Phase 2

This proposal does following:

• Reduce max EDEN APR for LPs and vaults: from 50% → 25%

• Reduce ELYS staking APR: from 40% → 35% \ Link to discussion: https://common.xyz/elys-network/discussion/1279218-Signaling%20Proposal:%20EDEN%20APR%20Reduction%20phase%202