Revert "feat(e2e): Enable E2E tests - 39 passing tests"

[hannesrudolph]

Reverts #10720

---

Important

Reverts E2E test setup by removing README and modifying test configurations and logic across multiple test files.

• Revert E2E Test Setup:
  • Removes README.md from apps/vscode-e2e.
  • Modifies test setup and teardown in index.ts to remove multi-model testing logic.
  • Adjusts test logic in subtasks.test.ts, apply-diff.test.ts, execute-command.test.ts, list-files.test.ts, read-file.test.ts, search-files.test.ts, use-mcp-tool.test.ts, and write-to-file.test.ts to reflect reverted changes.
• Test Execution:
  • Skips tests in execute-command.test.ts, list-files.test.ts, read-file.test.ts, search-files.test.ts, use-mcp-tool.test.ts, and write-to-file.test.ts by default.
  • Simplifies test logic by removing complex setup and execution paths.
• Miscellaneous:
  • Cleans up temporary files and directories after test execution.
  • Ensures tests are non-recursive and handle errors gracefully.

^{This description was created by for 6a0cabb. You can customize this summary. It will automatically update as commits are pushed.}

[roomote]

Oroocle   See task on Roo Cloud

Reviewed. No issues flagged; this looks like a clean revert of #10720.

• No issues found

_{Mention @roomote in a comment to request specific changes to this pull request or fix all unresolved issues.}