Revert "Fix REPL representation bug"

[chownces]

Reverts #2262

This PR introduced a bug in the stepper, let's revert this commit first and reopen the issue. Perhaps the next stepper team can take a look at that.

[coveralls]

Pull Request Test Coverage Report for Build 3882196655

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 9 of 16 (56.25%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 34.454%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/commons/repl/Repl.tsx	4	5	80.0%
src/commons/sideContent/SideContentTestcaseCard.tsx	4	5	80.0%
src/commons/sideContent/githubAssessments/SideContentEditableTestcaseCard.tsx	1	6	16.67%

Totals
Change from base Build 3870218754:	0.02%
Covered Lines:	4589
Relevant Lines:	12390

---

💛 - Coveralls

[chownces]

Closing in favor of #2305