* Refactor stake program into solana_program (#17906)
* Move stake state / instructions into solana_program
* Update account-decoder
* Update cli and runtime
* Update all other parts
* Commit Cargo.lock changes in programs/bpf
* Update cli stake instruction import
* Allow integer arithmetic
* Update ABI digest
* Bump rust mem instruction count
* Remove useless structs
* Move stake::id() -> stake::program::id()
* Re-export from solana_sdk and mark deprecated
* Address feedback
* Run cargo fmt
* Run cargo fmt post cherry-pick
* Pass pubkey in to account-decoder for sysvars
* Decode sysvar accounts
* Decode config accounts; move validator-info lower
* Decode stake accounts
* Review comments
* Stringify any account lamports and epochs that can be set to u64::MAX