Remove rsa-sha2-256 workaround

[ArinGhazarian]

• [ ] Did you write/update appropriate tests
• [ ] Release notes updated (if appropriate)
• [ ] Appropriate logging output
• [ ] Issue linked
• [ ] Docs updated (or issue created)
• [ ] New package licenses are added to ThirdPartyNotices.txt (if applicable)

[github-actions[bot]]

Unit Test Results

854 tests   854 ✅  20s ⏱️   1 suites    0 💤   1 files      0 ❌

Results for commit 052fa1a7.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

Package	Line Rate	Branch Rate	Complexity	Health
gei	81%	72%	592	✔
ado2gh	84%	78%	631	✔
Octoshift	87%	76%	1345	✔
bbs2gh	82%	76%	669	✔
Summary	84% (7176 / 8509)	76% (1656 / 2190)	3237	✔