remove references to facebookgo/symwalk

(cherry picked from commit f278675f)

glide.lock

 hash: 311e977050841ebb18e762e7fe42c1b62490dd6f2d37182f6dbfcc369636765c
-updated: 2017-10-03T15:12:44.409805-07:00
+updated: 2017-10-03T15:20:32.19833-07:00
 imports:
 - name: cloud.google.com/go
   version: 3b1ae45394a234c385be014e9a488f2bb6eef821
@@ -68,8 +68,6 @@ imports:
   version: ba18e35c5c1b36ef6334cad706eb681153d2d379
 - name: github.com/exponent-io/jsonpath
   version: d6023ce2651d8eafb5c75bb0c7167536102ec9f5
-- name: github.com/facebookgo/symwalk
-  version: 42004b9f322246749dd73ad71008b1f3160c0052
 - name: github.com/fatih/camelcase
   version: f6a740d52f961c60348ebb109adde9f4635d7540
 - name: github.com/ghodss/yaml
@@ -555,5 +553,3 @@ testImports:
   version: e3a8ff8ce36581f87a15341206f205b1da467059
   subpackages:
   - assert
-  - mock
-  - require

pkg/chartutil/load.go

@@ -28,7 +28,6 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/facebookgo/symwalk"
 	"github.com/golang/protobuf/ptypes/any"
 
 	"k8s.io/helm/pkg/ignore"