Fix dev & remve value

kafka-resources/overlays/dev/kafka-schema-registry/schema-registry-deployment.yaml

@@ -7,3 +7,14 @@ metadata:
   namespace: kafka
 spec:
   replicas: 1
+  template:
+    spec:
+      containers:
+      - name: schema-registry
+        image: confluentinc/cp-schema-registry:6.1.1
+        ports:
+        - containerPort: 8081
+          protocol: TCP
+        env:
+        - name: SCHEMA_REGISTRY_HOST_NAME
+          value: schema-registry