fuse: refer to fs instead of nodefs & pathfs

Update the package comment to refer to the fs package
instead of nodefs and pathfs, which are deprecated.

Change-Id: I317e53152b63b982298a7de29120191488dcd362

fuse/api.go

@@ -77,17 +77,10 @@
 // Higher level interfaces
 //
 // As said above this packages provides way to implement filesystems in terms of
-// raw FUSE protocol. Additionally packages nodefs and pathfs provide ways to
-// implement filesystem at higher levels:
+// raw FUSE protocol.
 //
-// Package github.com/hanwen/go-fuse/fuse/nodefs provides way to implement
-// filesystems in terms of inodes. This resembles kernel's idea of what a
-// filesystem looks like.
-//
-// Package github.com/hanwen/go-fuse/fuse/pathfs provides way to implement
-// filesystems in terms of path names. Working with path names is somewhat
-// easier compared to inodes, however renames can be racy. Do not use pathfs if
-// you care about correctness.
+// Package github.com/hanwen/go-fuse/v2/fs provides way to implement
+// filesystems in terms of paths and/or inodes.
 package fuse
 
 // Types for users to implement.