🔍 test: remove redundant newline detection test

Removed the `test_newline` function from `tests/test_real_detection.py` as it was deemed unnecessary. This streamlines our test suite by eliminating redundant checks, ensuring more focused and efficient test execution.

Author: sudoskys

tests/test_real_detection.py

@@ -115,12 +115,6 @@ def test_empty_string(self):
         assert "lang" in result
         assert "score" in result
 
-    def test_newline(self):
-        """Test that detection fails when newline is detected."""
-        # When newline is detected, it should raise an error
-        with pytest.raises(DetectError):
-            detect("Hello\nworld", low_memory=True)
-
     def test_special_characters(self):
         """Test detection with special characters."""
         texts = [