Use contexts instead of separate builds.

.circleci/config.yml

@@ -1,6 +1,10 @@
 version: '2'
 
 defaults: &defaults
+  
+
+jobs:
+  build:
     docker:
       - image: circleci/python:3
     steps:
@@ -23,7 +27,6 @@ defaults: &defaults
             DB: postgres
           name: Postgres Tests
           command: bash tests/test.sh
-
       - run:
           environment:
             DB: mysql
@@ -37,15 +40,6 @@ defaults: &defaults
               bash .travis/deploy.sh
             fi
 
-jobs:
-  build:
-    <<: *defaults
-
-  dev:
-    environment:
-      DEV: true
-    <<: *defaults
-
 workflows:
   version: 2
   commit-workflow:
@@ -60,4 +54,5 @@ workflows:
             branches:
               only: master
     jobs:
-      - dev
+      - build
+        context: org-global