[Dependencies] Move requirements.txt to requirements directory. (#13636)

python/requirements.txt

@@ -1,75 +0,0 @@
-# These are mirrored in setup.py as install_requires,
-# which is what the users of the ray package will install. The rest of this file
-# sets up all the packages necessary for a /developer/ of Ray.
-#
-# In short, if you change it here, PLEASE also change it in setup.py.
-#
-# setup.py install_requires
-aiohttp==3.7
-aioredis
-click >= 7.0
-colorama
-colorful
-filelock
-gpustat
-grpcio >= 1.28.1
-jsonschema
-msgpack >= 1.0.0, < 2.0.0
-numpy >= 1.16
-opencensus
-prometheus_client >= 0.7.1
-protobuf >= 3.8.0
-py-spy >= 0.2.0
-pyyaml
-redis >= 3.5.0
-requests
-
-## setup.py extras
-atari_py
-dm_tree
-flask
-gym[atari]
-lz4
-opencv-python-headless==4.3.0.36
-pandas==1.0.5
-scipy==1.4.1
-tabulate
-tensorboardX
-uvicorn
-pydantic<1.7
-dataclasses; python_version < '3.7'
-starlette
-
-# Requirements for running tests
-blist; platform_system != "Windows"
-boto3
-cython==0.29.0
-dataclasses; python_version < '3.7'
-dask[complete]
-feather-format
-gym
-gym-minigrid
-kubernetes
-lxml
-moto
-mypy
-networkx
-numba
-# higher version of llvmlite breaks windows
-llvmlite==0.34.0
-openpyxl
-pexpect
-Pillow; platform_system != "Windows"
-pygments
-pytest==5.4.3
-pytest-asyncio
-pytest-rerunfailures
-pytest-sugar
-pytest-timeout
-scikit-learn==0.22.2
-tensorflow
-testfixtures
-werkzeug
-xlrd
-starlette
-smart_open[s3]