Dependencies: Clean up testing dependencies not needed in crate-python

After the SQLAlchemy dialect has been separated into sqlalchemy-cratedb,
they are no longer needed here.

Author: amotl

setup.py

@@ -65,11 +65,8 @@ def read(path):
               'backports.zoneinfo<1; python_version<"3.9"',
               'certifi',
               'createcoverage>=1,<2',
-              'dask[dataframe]',
               'stopit>=1.1.2,<2',
               'flake8>=4,<8',
-              'pandas<2.3',
-              'pueblo>=0.0.7',
               'pytz',
               ],
         doc=['sphinx>=3.5,<9',