[k8sclusterreceiver] remove k8s.kubeproxy.version resource attribute (open-telemetry#31180)

**Description:** Remove deprecated resource attribute. Deprecation happened in 0.92.0

**Link to tracking Issue:** open-telemetry#29748 (comment)

Author: povilasv

.chloggen/rm-kube-proxy.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: k8sclusterreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: "Remove deprecated k8s.kubeproxy.version resource attribute"
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [29748]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [user]

receiver/k8sclusterreceiver/documentation.md

@@ -439,7 +439,6 @@ Current status reason of the pod (1 - Evicted, 2 - NodeAffinity, 3 - NodeLost, 4
 | k8s.job.name | The k8s pod name. | Any Str | true |
 | k8s.job.uid | The k8s job uid. | Any Str | true |
 | k8s.kubelet.version | The version of Kubelet running on the node. | Any Str | false |
-| k8s.kubeproxy.version | The version of Kube Proxy running on the node. | Any Str | false |
 | k8s.namespace.name | The k8s namespace name. | Any Str | true |
 | k8s.namespace.uid | The k8s namespace uid. | Any Str | true |
 | k8s.node.name | The k8s node name. | Any Str | true |

receiver/k8sclusterreceiver/internal/metadata/generated_config.go

@@ -124,8 +124,6 @@ all_set:
       enabled: true
     k8s.kubelet.version:
       enabled: true
-    k8s.kubeproxy.version:
-      enabled: true
     k8s.namespace.name:
       enabled: true
     k8s.namespace.uid:
@@ -289,8 +287,6 @@ none_set:
       enabled: false
     k8s.kubelet.version:
       enabled: false
-    k8s.kubeproxy.version:
-      enabled: false
     k8s.namespace.name:
       enabled: false
     k8s.namespace.uid:

receiver/k8sclusterreceiver/internal/metadata/generated_config_test.go

@@ -36,7 +36,6 @@ func Transform(node *corev1.Node) *corev1.Node {
 			Allocatable: node.Status.Allocatable,
 			NodeInfo: corev1.NodeSystemInfo{
 				KubeletVersion:          node.Status.NodeInfo.KubeletVersion,
-				KubeProxyVersion:        node.Status.NodeInfo.KubeProxyVersion,
 				ContainerRuntimeVersion: node.Status.NodeInfo.ContainerRuntimeVersion,
 				OSImage:                 node.Status.NodeInfo.OSImage,
 				OperatingSystem:         node.Status.NodeInfo.OperatingSystem,
@@ -60,7 +59,6 @@ func RecordMetrics(mb *imetadata.MetricsBuilder, node *corev1.Node, ts pcommon.T
 	rb.SetK8sNodeUID(string(node.UID))
 	rb.SetK8sNodeName(node.Name)
 	rb.SetK8sKubeletVersion(node.Status.NodeInfo.KubeletVersion)
-	rb.SetK8sKubeproxyVersion(node.Status.NodeInfo.KubeProxyVersion)
 
 	mb.EmitForResource(imetadata.WithResource(rb.Emit()))
 }
@@ -114,7 +112,6 @@ func CustomMetrics(set receiver.CreateSettings, rb *metadata.ResourceBuilder, no
 	rb.SetK8sNodeUID(string(node.UID))
 	rb.SetK8sNodeName(node.Name)
 	rb.SetK8sKubeletVersion(node.Status.NodeInfo.KubeletVersion)
-	rb.SetK8sKubeproxyVersion(node.Status.NodeInfo.KubeProxyVersion)
 	rb.SetOsType(node.Status.NodeInfo.OperatingSystem)
 
 	runtime, version := getContainerRuntimeInfo(node.Status.NodeInfo.ContainerRuntimeVersion)