Update promo ad images

Signed-off-by: Eric Poirier <eric.poirier@eclipse-foundation.org>
diff --git a/promo/images/jakarta-ee-community-call.png b/promo/images/jakarta-ee-community-call.png
index f16d618..a1bc66f 100644
--- a/promo/images/jakarta-ee-community-call.png
+++ b/promo/images/jakarta-ee-community-call.png
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diff --git a/promo/images/jakarta-ee-community-call_mar18.png b/promo/images/jakarta-ee-community-call_mar18.png
index e52c5e7..687650b 100644
--- a/promo/images/jakarta-ee-community-call_mar18.png
+++ b/promo/images/jakarta-ee-community-call_mar18.png
Binary files differ
diff --git a/promo/images/jakartaee-tech-talk.png b/promo/images/jakartaee-tech-talk.png
index 698a087..af2531d 100644
--- a/promo/images/jakartaee-tech-talk.png
+++ b/promo/images/jakartaee-tech-talk.png
Binary files differ
diff --git a/promo/images/jakartaee-tech-talk_jan27.png b/promo/images/jakartaee-tech-talk_jan27.png
index 5ea81d9..e2ec75e 100644
--- a/promo/images/jakartaee-tech-talk_jan27.png
+++ b/promo/images/jakartaee-tech-talk_jan27.png
Binary files differ