fix(ci): remove DJANGO_ALLOWED_HOSTS from secret template

Author: themightychris

deploy/manifests/balancer/base/secret.template.yaml

@@ -15,7 +15,6 @@ type: Opaque
 stringData:
   DATABASE: postgres
   DEBUG: '1'
-  DJANGO_ALLOWED_HOSTS: localhost 127.0.0.1 [::1] balancer.sandbox.k8s.phl.io
   LOGIN_REDIRECT_URL: ''
   OPENAI_API_KEY: openapi_key_here
   PINECONE_API_KEY: pinecone_key_here