remove datrie dependency

docs/admin/Installation.md

@@ -37,7 +37,6 @@ Furthermore the following Python libraries are required:
   * [Jinja2](https://palletsprojects.com/p/jinja/)
   * [PyICU](https://pypi.org/project/PyICU/)
   * [PyYaml](https://pyyaml.org/) (5.1+)
-  * [datrie](https://github.com/pytries/datrie)
 
 These will be installed automatically when using pip installation.
 

docs/develop/Development-Environment.md

@@ -70,7 +70,7 @@ To set up the virtual environment with all necessary packages run:
 virtualenv ~/nominatim-dev-venv
 ~/nominatim-dev-venv/bin/pip install\
     psutil psycopg[binary] PyICU SQLAlchemy \
-    python-dotenv jinja2 pyYAML datrie behave \
+    python-dotenv jinja2 pyYAML behave \
     mkdocs mkdocstrings mkdocs-gen-files pytest pytest-asyncio flake8 \
     types-jinja2 types-markupsafe types-psutil types-psycopg2 \
     types-pygments types-pyyaml types-requests types-ujson \

packaging/nominatim-db/pyproject.toml

@@ -19,7 +19,6 @@ dependencies = [
     "python-dotenv",
     "jinja2",
     "pyYAML>=5.1",
-    "datrie",
     "psutil",
     "PyICU"
 ]