revert: remove navigation links between login and signup pages

[yannickmonney]

Summary

• Reverts fix(auth): add navigation links between login and signup pages #1067 which added navigation links between login and signup pages
• Removes the "Don't have an account? Sign up" link from login page
• Removes the "Already have an account? Log in" link from signup page

Test plan

• Verify login page no longer shows signup link
• Verify signup page no longer shows login link
• Verify login and signup flows still work correctly

Summary by CodeRabbit

• UI Changes
  • Removed direct navigation links from authentication pages that allowed quick switching between login and signup forms.

[greptile-apps]

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: d857a53e-0dee-465c-9dc6-ef85145cd923

📥 Commits

Reviewing files that changed from the base of the PR and between 69db2b5 and fbdbd03.

📒 Files selected for processing (3)

• services/platform/app/routes/_auth/log-in.tsx
• services/platform/app/routes/_auth/sign-up.tsx
• services/platform/messages/en.json

💤 Files with no reviewable changes (1)

• services/platform/app/routes/_auth/log-in.tsx

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📝 Walkthrough

Walkthrough

This pull request removes the reciprocal navigation UI elements between the login and signup pages. Specifically, it eliminates the "no account? sign up" link from the login page and the "have an account? log in" link from the signup page, along with their corresponding internationalization string definitions. Programmatic navigation logic using useNavigate is preserved unchanged.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• fix(platform): UI polish and layout fixes #417: Modifies the same authentication route files and adjusts login/signup UI flow and logic.

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately reflects the main change—removing navigation links between login and signup pages—and clearly communicates the reversal of a previous change.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch revert/signup-login-links

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