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/printer.go

Index: third_party/go/src/golang.org/x/mobile/bind/printer.go
diff --git a/third_party/go/src/golang.org/x/mobile/bind/printer.go b/third_party/go/src/golang.org/x/mobile/bind/printer.go
deleted file mode 100644
index 39cb809678f24e29eac184e9561ec77a393f6cf2..0000000000000000000000000000000000000000
--- a/third_party/go/src/golang.org/x/mobile/bind/printer.go
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package bind
-
-import (
-	"bytes"
-	"fmt"
-)
-
-type printer struct {
-	buf        *bytes.Buffer
-	indentEach []byte
-	indentText []byte
-	needIndent bool
-}
-
-func (p *printer) writeIndent() error {
-	if !p.needIndent {
-		return nil
-	}
-	p.needIndent = false
-	_, err := p.buf.Write(p.indentText)
-	return err
-}
-
-func (p *printer) Write(b []byte) (n int, err error) {
-	wrote := 0
-	for len(b) > 0 {
-		if err := p.writeIndent(); err != nil {
-			return wrote, err
-		}
-		i := bytes.IndexByte(b, '\n')
-		if i < 0 {
-			break
-		}
-		n, err = p.buf.Write(b[0 : i+1])
-		wrote += n
-		if err != nil {
-			return wrote, err
-		}
-		b = b[i+1:]
-		p.needIndent = true
-	}
-	if len(b) > 0 {
-		n, err = p.buf.Write(b)
-		wrote += n
-	}
-	return wrote, err
-}
-
-func (p *printer) Printf(format string, args ...interface{}) {
-	if _, err := fmt.Fprintf(p, format, args...); err != nil {
-		panic(fmt.Sprintf("printer: %v", err))
-	}
-}
-
-func (p *printer) Indent() {
-	p.indentText = append(p.indentText, p.indentEach...)
-}
-
-func (p *printer) Outdent() {
-	if len(p.indentText) > len(p.indentEach)-1 {
-		p.indentText = p.indentText[len(p.indentEach):]
-	}
-}