Remove stray .tree.txt

multiq/.tree.txt

@@ -1,27 +0,0 @@
-multiq/
-
-__init__.py
-__main__.py      # optional `python -m multiq`
-
-# core modules
-retriever.py
-fact_checker.py
-difficulty.py
-generator.py
-curriculum.py
-api.py
-
-# config + data
-config/
-  default.yaml
-data/
-
-# tooling
-cli.py
-
-tests/
-  __init__.py
-  test_retriever.py
-  test_difficulty.py
-  test_generator.py
-  test_difficulty.py