drop opencensus packages (#3227)

* drop opencensus packages

* update codegen script

* fix verify-codegen script

* fix linter issue

Author: dprotaso

go.mod

@@ -3,12 +3,8 @@ module knative.dev/pkg
 go 1.24.0
 
 require (
-	contrib.go.opencensus.io/exporter/ocagent v0.7.1-0.20200907061046-05415f1de66d
-	contrib.go.opencensus.io/exporter/prometheus v0.4.2
-	contrib.go.opencensus.io/exporter/zipkin v0.1.2
 	github.com/blang/semver/v4 v4.0.0
 	github.com/blendle/zapdriver v1.3.1
-	github.com/census-instrumentation/opencensus-proto v0.4.1
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
 	github.com/evanphx/json-patch/v5 v5.9.11
 	github.com/go-logr/zapr v1.3.0
@@ -18,11 +14,9 @@ require (
 	github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674
 	github.com/hashicorp/golang-lru v1.0.2
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/openzipkin/zipkin-go v0.4.3
 	github.com/prometheus/client_golang v1.23.0
 	github.com/spf13/pflag v1.0.7
 	github.com/tsenart/vegeta/v12 v12.12.0
-	go.opencensus.io v0.24.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.62.0
 	go.opentelemetry.io/contrib/instrumentation/runtime v0.62.0
 	go.opentelemetry.io/otel v1.37.0
@@ -42,8 +36,6 @@ require (
 	golang.org/x/sync v0.16.0
 	golang.org/x/tools v0.36.0
 	gomodules.xyz/jsonpatch/v2 v2.5.0
-	google.golang.org/grpc v1.74.2
-	google.golang.org/protobuf v1.36.7
 	gopkg.in/yaml.v3 v3.0.1
 	k8s.io/api v0.33.1
 	k8s.io/apiextensions-apiserver v0.33.1
@@ -66,16 +58,12 @@ require (
 	github.com/evanphx/json-patch v5.9.0+incompatible // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
-	github.com/go-kit/log v0.2.1 // indirect
-	github.com/go-logfmt/logfmt v0.5.1 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
 	github.com/go-openapi/jsonreference v0.21.0 // indirect
 	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/gnostic-models v0.6.9 // indirect
 	github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1 // indirect
@@ -91,7 +79,6 @@ require (
 	github.com/prometheus/common v0.65.0 // indirect
 	github.com/prometheus/otlptranslator v0.0.0-20250717125610-8549f4ab4f8f // indirect
 	github.com/prometheus/procfs v0.17.0 // indirect
-	github.com/prometheus/statsd_exporter v0.22.7 // indirect
 	github.com/rs/dnscache v0.0.0-20230804202142-fc85eb664529 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
@@ -107,12 +94,12 @@ require (
 	golang.org/x/text v0.28.0 // indirect
 	golang.org/x/time v0.10.0 // indirect
 	golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated // indirect
-	google.golang.org/api v0.183.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20250603155806-513f23925822 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250603155806-513f23925822 // indirect
+	google.golang.org/grpc v1.74.2 // indirect
+	google.golang.org/protobuf v1.36.7 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	k8s.io/kube-openapi v0.0.0-20250318190949-c8a335a9a2ff // indirect
 	sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.6.0 // indirect

go.sum

@@ -73,7 +73,6 @@ go run k8s.io/code-generator/cmd/deepcopy-gen \
   knative.dev/pkg/apis/duck/v1 \
   knative.dev/pkg/tracker \
   knative.dev/pkg/logging \
-  knative.dev/pkg/metrics \
   knative.dev/pkg/testing \
   knative.dev/pkg/testing/duck \
   knative.dev/pkg/webhook/resourcesemantics/conversion/internal

hack/update-codegen.sh

@@ -37,7 +37,6 @@ cp -aR \
   "${REPO_ROOT_DIR}/go.sum" \
   "${REPO_ROOT_DIR}/apis" \
   "${REPO_ROOT_DIR}/logging" \
-  "${REPO_ROOT_DIR}/metrics" \
   "${REPO_ROOT_DIR}/testing" \
   "${REPO_ROOT_DIR}/vendor" \
   "${TMP_DIFFROOT}"
@@ -55,9 +54,6 @@ diff -Naupr --no-dereference \
 diff -Naupr --no-dereference \
   "${REPO_ROOT_DIR}/logging" "${TMP_DIFFROOT}/logging" || ret=1
 
-diff -Naupr --no-dereference \
-  "${REPO_ROOT_DIR}/metrics" "${TMP_DIFFROOT}/metrics" || ret=1
-
 diff -Naupr --no-dereference \
   "${REPO_ROOT_DIR}/testing" "${TMP_DIFFROOT}/testing" || ret=1
 
@@ -69,7 +65,6 @@ rm -fr \
   "${REPO_ROOT_DIR}/go.sum" \
   "${REPO_ROOT_DIR}/apis" \
   "${REPO_ROOT_DIR}/logging" \
-  "${REPO_ROOT_DIR}/metrics" \
   "${REPO_ROOT_DIR}/testing" \
   "${REPO_ROOT_DIR}/vendor"