doc: remove redundant images

These are no longer used by anything.

Change-Id: I50c971418b07cafc983242833a196ba2028a2723
Reviewed-on: https://go-review.googlesource.com/3603
Reviewed-by: Rob Pike <r@golang.org>

diff --git a/doc/logo-153x55.png b/doc/logo-153x55.png
deleted file mode 100644 (file)
index 8ec22aa..0000000
Binary files a/doc/logo-153x55.png and /dev/null differ

diff --git a/doc/sieve.gif b/doc/sieve.gif
deleted file mode 100644 (file)
index 8018ae2..0000000
Binary files a/doc/sieve.gif and /dev/null differ