Remove github.com/pkg/errors with appropriate replacements (#3172)

* errors.Wrap* removal

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

* remove errors.Errorf

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

* Remove remaining calls

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

* Few more errors

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

* Fix golint errors

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

---------

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

pkg/publisher/publisher_test.go

@@ -7,9 +7,10 @@ import (
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/assert"
+
 	"github.com/fission/fission/pkg/utils/loggerfactory"
 	otelUtils "github.com/fission/fission/pkg/utils/otel"
-	"github.com/stretchr/testify/assert"
 )
 
 func TestPublisher(t *testing.T) {

pkg/publisher/webhookPublisher.go

@@ -25,11 +25,12 @@ import (
 	"strings"
 	"time"
 
-	otelUtils "github.com/fission/fission/pkg/utils/otel"
 	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
 	"go.opentelemetry.io/otel"
 	"go.uber.org/zap"
 	"golang.org/x/net/context/ctxhttp"
+
+	otelUtils "github.com/fission/fission/pkg/utils/otel"
 )
 
 type (