Revise wasm function guide (#115)

Signed-off-by: Benjamin Huo <benjamin@kubesphere.io>

Author: benjaminhuo

functions/knative/wasmedge/http-server/README.md

@@ -29,32 +29,6 @@ $ curl http://localhost:8080/echo -X POST -d "WasmEdge"
 WasmEdge
 ```
 
-## Deployment
+## Deployment the wasm function into Kubernetes
 
-> To setup `WasmEdge` workload runtime in kubernetes cluster and push images to a container registry,
-> please refer to the [prerequisites](../../getting-started/Quickstarts/prerequisites) section for more info.
-
-1. Create function
-
-```shell
-kubectl apply -f wasmedge-http-server.yaml
- ```
-
-2. Check the function status
-
-```shell
-kubectl get functions.core.openfunction.io -w
-NAME                   BUILDSTATE   SERVINGSTATE   BUILDER         SERVING         ADDRESS                                                      AGE
-wasmedge-http-server   Succeeded    Running        builder-4p2qq   serving-lrd8c   http://wasmedge-http-server.default.svc.cluster.local/echo   12m
-  ```
-
-3. Access function
-
-Once the `BUILDSTATE` becomes `Succeeded` and the `SERVINGSTATE` becomes `Running`, you can access this function through the address in the `ADDRESS` field:
-You can observe the process of a function with the following command:
-
-```shell
-kubectl run curl --image=radial/busyboxplus:curl -i --tty
-curl http://wasmedge-http-server.default.svc.cluster.local/echo  -X POST -d "WasmEdge"
-WasmEdge
-```
+You can refer [this](https://openfunction.dev/docs/concepts/wasmedge_integration/#build-and-run-wasm-functions) guide on how to deploy this wasm function into Kubernetes.