doc: update profiling blog post to use the go tool?

[bradfitz]

http://blog.golang.org/2011/06/profiling-go-programs.html doesn't use the Go 1 'go' tool.

Update this blog post?

Noted from http://bpowers.github.com/weblog/2013/01/05/optimizing-real-world-go/

[cespare]

Comment 1:

Dup of 3893, I believe.
https://golang.org/issue/3893

[bradfitz]

Comment 2:

Status changed to Duplicate.

Merged into issue #3893.