Remove Settings and Setup pages along with their tests and related API services

- Deleted Settings.tsx and Setup.tsx pages, which included functionality for changing passwords and setting up an admin account.
- Removed associated test files for Setup page.
- Eliminated API service definitions related to proxy hosts, remote servers, import functionality, and health checks.
- Cleaned up mock data and test setup files.
- Removed configuration files for TypeScript, Vite, and Tailwind CSS.
- Deleted scripts for testing coverage, release management, Dockerfile validation, and Python compilation checks.
- Removed Sourcery pre-commit wrapper script.

tools/sourcery_precommit_wrapper.sh

@@ -1,28 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-# Wrapper for Sourcery pre-commit hook.
-# Run Sourcery if the CLI is available or a token is provided.
-# This supports both interactive `sourcery login` and token-based CI usage.
-
-if command -v sourcery >/dev/null 2>&1; then
-  exec sourcery "$@"
-fi
-
-# Try python -m sourcery as a fallback
-if python -m sourcery --version >/dev/null 2>&1; then
-  exec python -m sourcery "$@"
-fi
-
-# If CLI not found but token env var present, try to run via 'sourcery' anyway
-if [ -n "${SOURCERY_TOKEN:-}" ] || [ -n "${SOURCERY_API_TOKEN:-}" ] || [ -n "${SOURCERY_API_KEY:-}" ]; then
-  if command -v sourcery >/dev/null 2>&1; then
-    exec sourcery "$@"
-  fi
-  if python -m sourcery --version >/dev/null 2>&1; then
-    exec python -m sourcery "$@"
-  fi
-fi
-
-echo "Sourcery CLI not available and no token detected; skipping sourcery pre-commit check."
-exit 0