[client] Bump dependencies

Author: Samuel Hassine

requirements.txt

@@ -1,12 +1,11 @@
 requests==2.23.0
 PyYAML==5.3.1
-setuptools==46.1.3
+setuptools==47.1.1
 python-dateutil==2.8.1
-datefinder==0.7.0
+datefinder==0.7.1
 stix2==1.4.0
 pytz==2020.1
 pika==1.1.0
-stix2-validator==1.1.2
 black==19.10b0
 python-magic==0.4.15; sys_platform == 'linux' or sys_platform == 'darwin'
 python-magic-bin==0.4.14; sys_platform == 'win32'

setup.py

@@ -53,9 +53,8 @@ def run(self):
         "requests==2.23.0",
         "PyYAML==5.3.1",
         "python-dateutil==2.8.1",
-        "datefinder==0.7.0",
+        "datefinder==0.7.1",
         "stix2==1.4.0",
-        "stix2-validator==1.1.2",
         "pytz==2020.1",
         "pika==1.1.0",
         "python-magic==0.4.15;sys.platform=='linux' or sys.platform=='darwin'",