Revert "feat(kustomization/epp): add additional headers to live ingresses in preparation for merging elifesciences/enhanced-preprints-client#2073"

This reverts commit 48543d1.

Author: scottaubrey

deployments/epp/biophysics-colab/ingress.yaml

@@ -3,9 +3,6 @@ kind: Ingress
 metadata:
   name: epp
   namespace: epp--biophysics-colab
-  annotations:
-    nginx.ingress.kubernetes.io/configuration-snippet: |
-      more_clear_input_headers "x-epp-brand: biophysics_colab";
   labels:
     app_name: epp
     app_env: prod

deployments/epp/prod/epp-kustomization.yaml

@@ -31,7 +31,6 @@ spec:
     substitute:
       site_name: elife
       app_env: prod
-      app_brand: elife
       app_hostname: prod--epp.elifesciences.org
       data_hub_api: https://data-hub-api.elifesciences.org/enhanced-preprints/docmaps/v2/by-publisher/elife/get-by-manuscript-id?manuscript_id=
       storybook_hostname: prod--epp-storybook.elifesciences.org

deployments/epp/staging/epp-kustomization.yaml

@@ -31,7 +31,6 @@ spec:
     substitute:
       site_name: elife
       app_env: staging
-      app_brand: default
       app_hostname: staging--epp.elifesciences.org
       data_hub_api: https://data-hub-api--stg.elifesciences.org/enhanced-preprints/docmaps/v2/by-publisher/elife/get-by-manuscript-id?manuscript_id=
       storybook_hostname: staging--epp-storybook.elifesciences.org

kustomizations/apps/epp/ingress.yaml

@@ -3,9 +3,6 @@ kind: Ingress
 metadata:
   name: epp
   namespace: epp
-  annotations:
-    nginx.ingress.kubernetes.io/configuration-snippet: |
-      more_clear_input_headers "x-epp-brand: ${app_brand}";
 spec:
   rules:
   - host: ${app_hostname}