Remove reference to project config

Author: tobias-wilfert

develop-docs/backend/application-domains/pii/index.mdx

@@ -68,39 +68,6 @@ some SDK. Go to our PII config editor [Piinguin], and:
 3. Paste in other payloads and see if they look fine, go to step **2** if
    necessary.
 
-After iterating on the config, paste it back into the project config located at
-`.relay/projects/<PROJECT_ID>.json`
-
-For example:
-
-```json
-{
-  "publicKeys": [
-    {
-      "publicKey": "___PUBLIC_KEY___",
-      "isEnabled": true
-    }
-  ],
-  "config": {
-    "allowedDomains": ["*"],
-    "piiConfig": {
-      "rules": {
-        "device_id": {
-          "type": "pattern",
-          "pattern": "d/[a-f0-9]{12}",
-          "redaction": {
-            "method": "hash"
-          }
-        }
-      },
-      "applications": {
-        "freeform": ["device_id"]
-      }
-    }
-  }
-}
-```
-
 [advanced data scrubbing]: https://docs.sentry.io/product/data-management-settings/scrubbing/advanced-datascrubbing/
 [relay]: https://github.com/getsentry/relay
 [piinguin]: https://getsentry.github.io/piinguin