remove reference to Go support

Author: bduranleau-nr

src/content/docs/kubernetes-pixie/kubernetes-integration/installation/k8s-agent-operator.mdx

@@ -17,7 +17,7 @@ freshnessValidatedDate: 2024-06-28
 
 The Kubernetes APM auto-attach, formerly known as the Kubernetes agent operator, streamlines full-stack observability for Kubernetes environments by automating APM instrumentation alongside Kubernetes agent deployment. By enabling <InlinePopover type="APM"/> auto instrumentation, developers no longer need to manually manage [APM agents](/docs/apm/new-relic-apm/getting-started/introduction-apm/). The Kubernetes APM auto-attach will automatically install, upgrade and remove APM agents.
 
-It currently [supports](#k8s-supported-versions) Java, .NET, Node.js, Python, Ruby, and PHP with Go on the way.
+It currently [supports](#k8s-supported-versions) Java, .NET, Node.js, Python, Ruby, and PHP.
 
 ## How it works [#how-it-works]
 
@@ -510,6 +510,8 @@ Run this command to see the available charts:
     * [Python](/docs/apm/agents/python-agent/custom-instrumentation/python-custom-instrumentation/)
     * [.NET](/docs/apm/agents/net-agent/custom-instrumentation/introduction-net-custom-instrumentation/)
     * [Ruby](/docs/apm/agents/ruby-agent/api-guides/ruby-custom-instrumentation/)
+    * [PHP](/docs/apm/agents/php-agent/features/php-custom-instrumentation/)
+
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