stake: Remove v2 program references (backport #19308)

[mergify]

This is an automatic backport of pull request #19308 done by Mergify.
Cherry-pick of 73aa004 has failed:

On branch mergify/bp/v1.7/pr-19308
Your branch is up to date with 'origin/v1.7'.

You are currently cherry-picking commit 73aa004c5.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   cli/src/cluster_query.rs
	modified:   cli/src/stake.rs
	modified:   ledger-tool/src/main.rs
	modified:   program-test/tests/warp.rs
	modified:   programs/stake/src/stake_state.rs
	modified:   rpc/src/rpc.rs
	modified:   runtime/src/stakes.rs
	modified:   runtime/tests/stake.rs
	modified:   sdk/program/src/stake/state.rs
	modified:   sdk/src/feature_set.rs

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   runtime/src/bank.rs

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.io/

[mergify]

automerge label removed due to a CI failure

[solana-grimes]

😱 New commits were pushed while the automerge label was present.

[mergify]

automerge label removed due to a CI failure

[codecov]

Codecov Report

Merging #19336 (807ea90) into v1.7 (1495b94) will decrease coverage by 0.0%.
The diff coverage is 92.7%.

@@            Coverage Diff            @@
##             v1.7   #19336     +/-   ##
=========================================
- Coverage    82.3%    82.3%   -0.1%     
=========================================
  Files         436      436             
  Lines      123661   123455    -206     
=========================================
- Hits       101856   101672    -184     
+ Misses      21805    21783     -22