chore(stacks): remove kafka

Author: duanhongyi

scripts/checker.py

@@ -31,24 +31,12 @@
         "owner": "prometheus-community",
         "match": "^v[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}$",
     },
-    "kafka_exporter": {
-        "name": "kafka_exporter",
-        "type": "github",
-        "owner": "danielqsj",
-        "match": "^v[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}$",
-    },
     "jmx_exporter": {
         "name": "jmx_exporter",
         "type": "github",
         "owner": "prometheus",
         "match": "^parent-[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}$",
     },
-    "kafka": {
-        "name": "kafka",
-        "type": "github",
-        "owner": "apache",
-        "match": "^[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}$",
-    },
     "caddy": {
         "name": "caddy",
         "type": "github",