infra-4258 updated images for ad 12 and 17

Signed-off-by: Zhou Fang <zhou.fang@eclipse-foundation.org>

Change-Id: I29464c4263371466a657cb7a67d357ca0854e38c
diff --git a/promo/images/aloxy-case-study.png b/promo/images/aloxy-case-study.png
new file mode 100644
index 0000000..cbbe47a
--- /dev/null
+++ b/promo/images/aloxy-case-study.png
Binary files differ
diff --git a/promo/images/ecd-tools-white-paper.png b/promo/images/ecd-tools-white-paper.png
new file mode 100644
index 0000000..75e4250
--- /dev/null
+++ b/promo/images/ecd-tools-white-paper.png
Binary files differ
diff --git a/promo/images/edge-computing.png b/promo/images/edge-computing.png
deleted file mode 100644
index 3e16260..0000000
--- a/promo/images/edge-computing.png
+++ /dev/null
Binary files differ
diff --git a/promo/images/jakarta_ee_youtube_ad.png b/promo/images/jakarta_ee_youtube_ad.png
deleted file mode 100644
index 34d15fc..0000000
--- a/promo/images/jakarta_ee_youtube_ad.png
+++ /dev/null
Binary files differ