Fixing DR architecture diagram

Change-Id: I9ce1b05c22ad7967a39c0b26faf5cea87606b415
Signed-off-by: Emmett Cox <emmett.cox@ericsson.com>
Issue-ID: DMAAP-839
diff --git a/docs/data-router/dr_arch.png b/docs/data-router/dr_arch.png
index 1655eda..54cd7e8 100644
--- a/docs/data-router/dr_arch.png
+++ b/docs/data-router/dr_arch.png
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