Remove references to deprecated go template

Signed-off-by: Han Verstraete (OpenFaaS Ltd) <[email protected]>

Author: welteki

docs/openfaas-pro/kafka-events.md

@@ -36,7 +36,7 @@ Your function(s) can then subscribe to one or more topics by setting the topic a
 Create a new function:
 
 ```bash
-export OPENFAAS_PREFIX=docker.io/alexellis2
+export OPENFAAS_PREFIX=ghcr.io/openfaas
 faas-cli new --lang golang-middleware provision-customer
 ```
 

docs/reference/yaml.md

@@ -395,7 +395,7 @@ provider:
   gateway: http://127.0.0.1:8080
 functions:
   hello:
-    lang: python3
+    lang: python3-http
     handler: ./hello
     image: openfaas/hello:0.1.0