Remove unnecessary test db env vars

Author: hartsick

config/secrets.yml

@@ -60,15 +60,11 @@ development: *default
 
 test:
   <<: *default
-  db_adapter: <%= ENV["test_db_adapter"] %>
-  db_encoding: <%= ENV["test_db_encoding"] %>
   db_database: <%= ENV["test_db_database"] %>
   db_username: <%= ENV["test_db_username"] %>
   db_password: <%= ENV["test_db_password"] %>
   db_host: <%= ENV["TESTDB_PORT_5432_TCP_ADDR"] || ENV["test_db_host"] %>
   db_port: <%= ENV["test_db_port"] %>
-  db_sslmode: <%= ENV["test_db_sslmode"] %>
-  db_sslrootcert: <%= ENV["test_db_sslrootcert"] %>
   congress_forms_url: "https://congressforms.eff.org"
   congress_forms_debug_key: "shh"
   fastly_api_key: