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

810 tests   810 :white_check_mark:  22s :stopwatch:   1 suites    0 :zzz:   1 files      0 :x:

Results for commit c57b8ff7.

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

[github-actions[bot]]

Package	Line Rate	Branch Rate	Complexity	Health
bbs2gh	81%	76%	626	✔
ado2gh	84%	78%	627	✔
Octoshift	87%	76%	1272	✔
gei	79%	70%	519	✔
Summary	84% (6818 / 8114)	76% (1531 / 2024)	3044	✔