fix: can't use psycopg-binary 2.9.x in 3.8 with Django 2.2

Author: joshuarli

requirements-base.txt

@@ -35,9 +35,7 @@ Pillow==8.2.0; python_version == '3.6'
 Pillow==8.3.1; python_version > '3.6'
 progressbar2==3.32.0
 python-rapidjson==1.4
-psycopg2-binary==2.8.6; python_version == '3.6'
-# For development only: This version removes needing to setting flags for Apple's M1 chipset
-psycopg2-binary==2.9.1; python_version > '3.6'
+psycopg2-binary==2.8.6
 PyJWT==2.1.0
 python-dateutil==2.8.1
 python-memcached==1.59