fix(deps) Stop importing requirements.txt into setup.py (#342)

Signed-off-by: Tao Feng <fengtao04@gmail.com>

setup.py

 # Copyright Contributors to the Amundsen project.
 # SPDX-License-Identifier: Apache-2.0
 
-import os
 from setuptools import setup, find_packages
 
 
-__version__ = '3.1.0'
+__version__ = '3.2.0'
 
-requirements_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'requirements.txt')
-with open(requirements_path) as requirements_file:
-    requirements = requirements_file.readlines()
+
+requirements = [
+    "neo4j-driver>=1.7.2,<4.0",
+    "pytz>=2018.4",
+    "statsd>=3.2.1",
+    "retrying>=1.3.3",
+    "requests>=2.23.0,<3.0",
+    "elasticsearch>=6.2.0,<7.0",
+    "pyhocon>=0.3.42",
+    "unidecode",
+]
 
 kafka = ['confluent-kafka==1.0.0']