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.

.pre-commit-config.yaml

@@ -1,27 +0,0 @@
-repos:
-  - repo: local
-    hooks:
-      - id: python-compile
-        name: python compile check
-        entry: tools/python_compile_check.sh
-        language: script
-        files: ".*\\.py$"
-        pass_filenames: false
-        always_run: true
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
-    hooks:
-      - id: end-of-file-fixer
-        exclude: '^(frontend/(coverage|dist|node_modules|\.vite)/|.*\.tsbuildinfo$)'
-      - id: trailing-whitespace
-        exclude: '^(frontend/(coverage|dist|node_modules|\.vite)/|.*\.tsbuildinfo$)'
-      - id: check-yaml
-      - id: check-added-large-files
-  - repo: local
-    hooks:
-      - id: dockerfile-check
-        name: dockerfile validation
-        entry: tools/dockerfile_check.sh
-        language: script
-        files: "Dockerfile.*"
-        pass_filenames: true