Remove third_party/golang.org/x/mobile as it is no longer used with Go 1.5.

third_party/go/src/golang.org/x/mobile/bind/testdata/basictypes.go.golden

Index: third_party/go/src/golang.org/x/mobile/bind/testdata/basictypes.go.golden
diff --git a/third_party/go/src/golang.org/x/mobile/bind/testdata/basictypes.go.golden b/third_party/go/src/golang.org/x/mobile/bind/testdata/basictypes.go.golden
deleted file mode 100644
index ed35ddabe11a2543bcddfda3c2fd0023f4f562f3..0000000000000000000000000000000000000000
--- a/third_party/go/src/golang.org/x/mobile/bind/testdata/basictypes.go.golden
+++ /dev/null
@@ -1,51 +0,0 @@
-// Package go_basictypes is an autogenerated binder stub for package basictypes.
-//   gobind -lang=go basictypes
-//
-// File is generated by gobind. Do not edit.
-package go_basictypes
-
-import (
-	"basictypes"
-	"golang.org/x/mobile/bind/seq"
-)
-
-func proxy_ByteArrays(out, in *seq.Buffer) {
-	param_x := in.ReadByteArray()
-	res := basictypes.ByteArrays(param_x)
-	out.WriteByteArray(res)
-}
-
-func proxy_Error(out, in *seq.Buffer) {
-	err := basictypes.Error()
-	if err == nil {
-		out.WriteUTF16("")
-	} else {
-		out.WriteUTF16(err.Error())
-	}
-}
-
-func proxy_ErrorPair(out, in *seq.Buffer) {
-	res, err := basictypes.ErrorPair()
-	out.WriteInt(res)
-	if err == nil {
-		out.WriteUTF16("")
-	} else {
-		out.WriteUTF16(err.Error())
-	}
-}
-
-func proxy_Ints(out, in *seq.Buffer) {
-	param_x := in.ReadInt8()
-	param_y := in.ReadInt16()
-	param_z := in.ReadInt32()
-	param_t := in.ReadInt64()
-	param_u := in.ReadInt()
-	basictypes.Ints(param_x, param_y, param_z, param_t, param_u)
-}
-
-func init() {
-	seq.Register("basictypes", 1, proxy_ByteArrays)
-	seq.Register("basictypes", 2, proxy_Error)
-	seq.Register("basictypes", 3, proxy_ErrorPair)
-	seq.Register("basictypes", 4, proxy_Ints)
-}