++ drop wb kafka user and its secret, broker does not persist scram creds

infrastructure-secrets.yaml

@@ -2698,19 +2698,6 @@ environments:
                 - kind: kubernetes
                   namespace: test-namespace
                   name: s3
-            - id: test-namespace-kafka
-              schema: kafka.v1
-              namespace: test-namespace
-              ownership: managed
-              source:
-                kind: kafka_user
-                ref:
-                    cluster: wb
-                    user: wb-test
-              targets:
-                - kind: kubernetes
-                  namespace: test-namespace
-                  name: kafka
 sops:
     kms: []
     gcp_kms: []
@@ -2735,8 +2722,8 @@ sops:
             M0JZb1k0R0ErQ0M3SDNDWGRBclpnZjgKlEUpn/tBw6bs2PQqAfKwnpAEEThfiVAH
             uKIOpOFRImGY/7DTwtqfttnmIXKOm5kUJCOxzgEjh3MYc3ChQar3kQ==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2026-08-11T11:10:49Z"
-    mac: ENC[AES256_GCM,data:nZB+hvEqJDaaRoWD09mnRXscbKFfvh66OyUvhQ1+nbZ3I13q7zuQ9McmSRYunw9BRoO7omFQ9i68iWQQ1AdWe+0zr76f1cLfKlOt0+grFC40LOiZeEJd/VpCLp1N45Jre4A7WNjWuvN/YxgK2sl3u+1IP/zacDi3XZWqdhk25Sg=,iv:lFg0iOAJCfJWYiZLstqJFRQyGo7EwOUzBaNoYdHk49c=,tag:7LSpxCl7x/2ZAlY0pVDMvw==,type:str]
+    lastmodified: "2026-08-11T13:18:50Z"
+    mac: ENC[AES256_GCM,data:yi5NN5/eXDA+ogUDso3C5vZiQag45jYKtDz2Dyhm9svDLOuy6wYxlxqOjw8XdAxI0LHLGvZ3c5t1sxUMLpT0wpFXWU/7NpRIMWCh63w+ztNGASnHc0jEY2+lYvkfiKhKt7ZFT9F3zupS22/GxaMM0f0PEleG8qtFUjbk9ClBezE=,iv:CK+T8sHha9Q0ZKhkUYBoUTEe2Az84Q+ddTp6zIT6yvc=,tag:187OScNL90nIBUnmHKKBFA==,type:str]
     pgp: []
     encrypted_regex: ^(data)$
     version: 3.12.2

infrastructure.yaml

@@ -590,13 +590,7 @@ environments:
           clusterRef: wb
           partitions: 3
           replicationFactor: 3
-      users:
-        - name: wb-test
-          clusterRef: wb
-          permissions:
-            - topic: wb.test.event.v1
-              roles:
-                - PRODUCER
+      users: []
 
   brusnika-stage:
     namespaces: