Remove testing quickstart documentation

TESTING_QUICKSTART.md

@@ -1,99 +0,0 @@
-# Quick Test Guide
-
-Quick reference for running tests in the vgui-cicd project.
-
-## 🚀 Quick Start
-
-```bash
-# Run all tests
-python manage.py test
-
-# Or use the convenient runner
-python run_tests.py all
-```
-
-## 📋 Common Commands
-
-| Command | Description |
-|---------|-------------|
-| `python run_tests.py all` | Run all tests with verbose output |
-| `python run_tests.py cache` | Run diagram cache tests only |
-| `python run_tests.py render` | Run rendering tests only |
-| `python run_tests.py commands` | Run management command tests |
-| `python run_tests.py coverage` | Run tests with coverage report |
-| `python run_tests.py fast` | Run with fail-fast (stops at first failure) |
-
-## 🎯 Run Specific Tests
-
-```bash
-# Test a specific module
-python manage.py test diagramm_proxy
-
-# Test a specific test case
-python manage.py test abschnitte.tests.RenderTextabschnitteTestCase
-
-# Test a specific method
-python manage.py test abschnitte.tests.RenderTextabschnitteTestCase.test_render_diagram_success
-```
-
-## 📊 Coverage Report
-
-```bash
-# Generate coverage report
-python run_tests.py coverage
-
-# Or manually
-pip install coverage
-coverage run --source='.' manage.py test
-coverage report
-coverage html  # Creates htmlcov/index.html
-```
-
-## ✅ What's Tested
-
-### Diagram Caching (`diagramm_proxy/test_diagram_cache.py`)
-- Hash computation ✓
-- Cache hit/miss ✓
-- HTTP errors ✓
-- Cache clearing ✓
-- Unicode support ✓
-
-### Rendering (`abschnitte/tests.py`)
-- Markdown to HTML ✓
-- Lists (ordered/unordered) ✓
-- Tables ✓
-- Diagrams ✓
-- Code blocks ✓
-
-### Management Commands (`abschnitte/management/commands/test_clear_diagram_cache.py`)
-- Clear all cache ✓
-- Clear by type ✓
-- Help text ✓
-
-## 🐛 Debugging Failed Tests
-
-```bash
-# Run with more detail
-python manage.py test --verbosity=2
-
-# Stop at first failure
-python manage.py test --failfast
-
-# Keep test database
-python manage.py test --keepdb
-```
-
-## 📖 More Information
-
-See `Documentation/TESTING.md` for complete documentation.
-
-## 🎓 Test Statistics
-
-- **Total Test Files**: 3
-- **Total Test Cases**: 29+
-- **Lines of Test Code**: 790+
-- **Coverage Target**: >80%
-
----
-
-**Need help?** Check the full testing guide in `Documentation/TESTING.md`