Revert Claude per-account folders (#24434, #26405) before release (#26638)

Users with a saved Claude account were signed out of every Claude feature in Orca until they signed in again, and proxy setups (API key plus ANTHROPIC_BASE_URL) got 401s after signing in. Reverting before release to rework the upgrade path. The terminal daemon protocol moves forward to 43 so dev builds' v42 daemons with the claude function are not reused; v41 and v42 stay attachable. Nothing is deleted: per-account folders are left unused and the old saved-account store was never touched.

.github/workflows/pr.yml

@@ -1275,7 +1275,6 @@ jobs:
           src/main/wsl/wsl-runner.test.ts
           src/main/wsl/wsl-guest-environment.test.ts
           src/main/wsl/wsl-executable-path.win32.test.ts
-          src/main/claude-accounts/claude-profile-history-windows.test.ts
           src/main/wsl/wsl-w1-w3-contract.test.ts
           src/shared/source-scan/source-tree-scan.test.ts
           src/main/cli/wsl-cli-powershell-boundary.test.ts