* Feature-gate stake-program-v3 (#14232)
* Remove deprecated legacy stake program
* Add legacy stake program
* Strip out duplicative legacy code
* Feature-deploy stake-program-v3
* Add ownership check in stake processor
(cherry picked from commit 7042f11791
)
# Conflicts:
# programs/stake/src/stake_instruction.rs
# sdk/src/feature_set.rs
* Fix conflicts
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>