Revert "Added psycopg2==2.6.1 for heroku requirements.txt"
Revert "Added psycopg2==2.6.1 for heroku requirements.txt"

This reverts commit 2fb52936c708f4b82f0babe3b602038e1a5397e9.

watchdogpolska/feder,watchdogpolska/feder,watchdogpolska/feder,watchdogpolska/feder