doc/go1: delete obsolete reference to FileStat

Fixes #3013.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5683049

doc/go1.html

@@ -1505,8 +1505,8 @@ methods.
 The system-specific details of file modes and properties such as (on Unix)
 i-number have been removed from <code>FileInfo</code> altogether.
 Instead, each operating system's <code>os</code> package provides an
-implementation of the <code>FileInfo</code> interface, <code>*os.FileStat</code>,
-which has a <code>Sys</code> method that returns the
+implementation of the <code>FileInfo</code> interface, which
+has a <code>Sys</code> method that returns the
 system-specific representation of file metadata.
 For instance, to discover the i-number of a file on a Unix system, unpack
 the <code>FileInfo</code> like this:

doc/go1.tmpl

@@ -1408,8 +1408,8 @@ methods.
 The system-specific details of file modes and properties such as (on Unix)
 i-number have been removed from <code>FileInfo</code> altogether.
 Instead, each operating system's <code>os</code> package provides an
-implementation of the <code>FileInfo</code> interface, <code>*os.FileStat</code>,
-which has a <code>Sys</code> method that returns the
+implementation of the <code>FileInfo</code> interface, which
+has a <code>Sys</code> method that returns the
 system-specific representation of file metadata.
 For instance, to discover the i-number of a file on a Unix system, unpack
 the <code>FileInfo</code> like this: