Update go dependencies

vendor/k8s.io/apimachinery/pkg/util/httpstream/BUILD

@@ -9,7 +9,6 @@ load(
 go_test(
     name = "go_default_test",
     srcs = ["httpstream_test.go"],
-    importpath = "k8s.io/apimachinery/pkg/util/httpstream",
     library = ":go_default_library",
 )
 
@@ -19,7 +18,6 @@ go_library(
         "doc.go",
         "httpstream.go",
     ],
-    importpath = "k8s.io/apimachinery/pkg/util/httpstream",
 )
 
 filegroup(

vendor/k8s.io/apimachinery/pkg/util/httpstream/spdy/BUILD

@@ -13,7 +13,6 @@ go_test(
         "roundtripper_test.go",
         "upgrade_test.go",
     ],
-    importpath = "k8s.io/apimachinery/pkg/util/httpstream/spdy",
     library = ":go_default_library",
     deps = [
         "//vendor/github.com/elazarl/goproxy:go_default_library",
@@ -28,7 +27,6 @@ go_library(
         "roundtripper.go",
         "upgrade.go",
     ],
-    importpath = "k8s.io/apimachinery/pkg/util/httpstream/spdy",
     deps = [
         "//vendor/github.com/docker/spdystream:go_default_library",
         "//vendor/github.com/golang/glog:go_default_library",