Removed dependency on pkg/errors, did not really need it

Author: jonasfj

jsone.go

@@ -11,15 +11,14 @@ import (
 	"time"
 	"unicode"
 
-	"github.com/pkg/errors"
 	i "github.com/taskcluster/json-e/interpreter"
 )
 
 // Render template with given context
 func Render(template interface{}, context map[string]interface{}) (interface{}, error) {
 	// Validate input
 	if err := i.IsValidContext(context); err != nil {
-		panic(errors.Wrap(err, "invalid context"))
+		panic(err)
 	}
 
 	// Inherit functions from builtins