[kafka] Disable noisy alerts

The alerts deployed with the Kafka Strimzi operator are noisy and not
useful, when a given namespace does not deploy any kafka clusters. This
patch removes them.

```release-note
[kafka] Disable useless alerts for Kafka which fire when not called for,
e.g. when Kafka isn't deployed.
```

Signed-off-by: Timofei Larkin <lllamnyp@gmail.com>

packages/system/kafka-operator/templates/alerts.yaml

@@ -1,7 +1,11 @@
-{{- $files := .Files.Glob "alerts/*.yaml" -}}
-{{- range $path, $file := $files }}
----
-# from: {{ $path }}
-{{ toString $file }}
-
-{{- end -}}
+{{- /*
+# Disabled due to https://github.com/cozystack/cozystack/issues/790
+# {{- $files := .Files.Glob "alerts/*.yaml" -}}
+# {{- range $path, $file := $files }}
+# ---
+# # from: {{ $path }}
+# {{ toString $file }}
+# 
+# {{- end -}}
+#
+*/ -}}