Remove pytest.ini as we now use Django test suite

pytest.ini

@@ -1,27 +0,0 @@
-[tool:pytest]
-# Pytest configuration for ivatar project
-
-# Test discovery
-testpaths = ivatar
-python_files = test_*.py
-python_classes = Test*
-python_functions = test_*
-
-# Markers for test categorization
-markers =
-    bluesky: marks tests as requiring Bluesky API credentials (deselect with '-m "not bluesky"')
-    slow: marks tests as slow (deselect with '-m "not slow"')
-    integration: marks tests as integration tests
-    unit: marks tests as unit tests
-    opentelemetry: marks tests as requiring OpenTelemetry to be enabled
-    no_opentelemetry: marks tests as requiring OpenTelemetry to be disabled
-
-# Default options
-addopts =
-    --strict-markers
-    --strict-config
-    --verbose
-    --tb=short
-
-# Minimum version
-minversion = 6.0