Removes empty tests directory from repo

Change-Id: I3a54cdc9086d05a6f4c95cc42b0855d429bc2199
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/tests/readme.txt b/tests/readme.txt
deleted file mode 100644
index 2880c41..0000000
--- a/tests/readme.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-
-Note: 
-
-2/21/2015 
-
-The projects in this "test" directory, are not intended to be "built" as part of 
-production build. They are simple "demos" of problems or for sanity checks of
-scripts. 
-