Delete docs/upload.txt

"This document describes how the current uploading system is build up and how
custom backends can be built. (At least someday it will)."

It says this since 2009 (r55604). I see no need to keep that red herring here.

Change-Id: I70d20bf21527bee26bf244381a9d75d96856dd52

diff --git a/docs/upload.txt b/docs/upload.txt
deleted file mode 100644 (file)
index a0f0a59..0000000
--- a/docs/upload.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-This document describes how the current uploading system is build up and how
-custom backends can be built. (At least someday it will).