🔥(project) remove occurences of COLLABORATION_SERVER_SECRET

COLLABORATION_SERVER_SECRET is no longer used in the codebase,
so we can remove it from the codebase.

src/frontend/servers/y-provider/src/env.ts

@@ -1,23 +1,13 @@
-import { readFileSync } from 'fs';
-
 export const COLLABORATION_BACKEND_BASE_URL =
   process.env.COLLABORATION_BACKEND_BASE_URL || 'http://app-dev:8000';
 export const COLLABORATION_LOGGING =
   process.env.COLLABORATION_LOGGING || 'false';
 export const COLLABORATION_SERVER_ORIGIN =
   process.env.COLLABORATION_SERVER_ORIGIN || 'http://localhost:3000';
-// TODO(yhub): unused since the yhub migration, mirrors the Django setting of
-// the same name (see impress/settings.py). Kept until CollaborationService is
-// reinstated.
-export const COLLABORATION_SERVER_SECRET = process.env
-  .COLLABORATION_SERVER_SECRET_FILE
-  ? readFileSync(process.env.COLLABORATION_SERVER_SECRET_FILE, 'utf-8')
-  : process.env.COLLABORATION_SERVER_SECRET || 'secret-api-key';
 export const CONVERSION_FILE_MAX_SIZE = process.env.CONVERSION_FILE_MAX_SIZE
   ? Number(process.env.CONVERSION_FILE_MAX_SIZE)
   : 20971520; // 20 MB default
 // JWKS of the Django backend, used to verify the JWT it signs when calling us.
-export const JWKS_URL =
-  process.env.JWKS_URL || `${COLLABORATION_BACKEND_BASE_URL}/api/v1.0/jwks`;
+export const JWKS_URL = `${COLLABORATION_BACKEND_BASE_URL}/api/v1.0/jwks`;
 export const PORT = Number(process.env.PORT || 4444);
 export const SENTRY_DSN = process.env.SENTRY_DSN || '';

src/helm/env.d/dev/values.impress.yaml.gotmpl

@@ -175,7 +175,6 @@ yProvider:
     COLLABORATION_BACKEND_BASE_URL: https://docs.127.0.0.1.nip.io
     COLLABORATION_LOGGING: true
     COLLABORATION_SERVER_ORIGIN: https://docs.127.0.0.1.nip.io
-    COLLABORATION_SERVER_SECRET: my-secret
     NODE_EXTRA_CA_CERTS: /cert/cacert.pem
 
   # Extra volume mounts to manage our local custom CA and avoid to set ssl_verify: false

src/helm/env.d/feature/values.impress.yaml.gotmpl

@@ -153,7 +153,6 @@ yProvider:
     COLLABORATION_BACKEND_BASE_URL: https://{{ .Values.feature }}-docs.{{ .Values.domain }}
     COLLABORATION_LOGGING: true
     COLLABORATION_SERVER_ORIGIN: https://{{ .Values.feature }}-docs.{{ .Values.domain }}
-    COLLABORATION_SERVER_SECRET: my-secret
     NODE_OPTIONS: "--max-old-space-size=1024"
 
 docSpec: