SIMD-0599: Remove inactive stakes from stake delegations

Not active on mainnet-beta; #1 in testnet's activation queue; not active on devnet.

Minimum versions: Agave v4.4.0-beta.0, Firedancer v26.10.0.

Introduced in anza-xyz/agave PR #14394.

Feature id RMsTKfD6hZnBhhNvgGBeKNrqCNkeoP3DYYxNtcuWtRg.

Related

• SIMD-0599

Vortex

• Consensus leaderboard
• Fees leaderboard
• Validators
• Stake pools
• Decentralization
• Client versions
• Cluster status
• Governance
• Feature gates
• SIMDs
• Activity
• API and AI usage