Shouldn't need to set timezone as env var

.github/workflows/production_pipeline.yml

@@ -41,10 +41,6 @@ jobs:
       DB_USERNAME: postgres
       DB_PASSWORD: password
 
-      # Rails verifies the time zone in DB is the same as the time zone of the Rails app
-      TZ: "Europe/London"
-
-
     steps:
       - name: Checkout
         uses: actions/checkout@v2

.github/workflows/staging_pipeline.yml

@@ -43,10 +43,6 @@ jobs:
       DB_USERNAME: postgres
       DB_PASSWORD: password
 
-      # Rails verifies the time zone in DB is the same as the time zone of the Rails app
-      TZ: "Europe/London"
-
-
     steps:
       - name: Checkout
         uses: actions/checkout@v2