Update the setup.py for TensorFlow Privacy.

* Removed stale documentation.
* Updated to read version from the `version.py` module.
* Remove test only dependency.

PiperOrigin-RevId: 424932559

setup.py

@@ -12,22 +12,27 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """TensorFlow Privacy library setup file for pip."""
+
 from setuptools import find_packages
 from setuptools import setup
 
+with open('tensorflow_privacy/version.py') as file:
+  globals_dict = {}
+  exec(file.read(), globals_dict)  # pylint: disable=exec-used
+  VERSION = globals_dict['__version__']
+
 setup(
     name='tensorflow_privacy',
-    version='0.7.3',
+    version=VERSION,
     url='https://github.com/tensorflow/privacy',
     license='Apache-2.0',
     install_requires=[
-        'attrs>=21.2.0',  # for tree_aggregation_query.py.
-        'dm-tree~=0.1.1',  # used in tests only
-        'mpmath',  # used in tests only
+        'attrs>=21.2.0',
+        'dm-tree~=0.1.1',
         'scipy>=0.17',
         'tensorflow-datasets>=4.4.0',
-        'tensorflow-estimator>=2.3.0',  # for DP versions of estimator.
-        'tensorflow-probability>=0.13.0',  # For discrete Gaussian.
+        'tensorflow-estimator>=2.3.0',
+        'tensorflow-probability>=0.13.0',
     ],
     # Explicit dependence on TensorFlow is not supported.
     # See https://github.com/tensorflow/tensorflow/issues/7166