Build Observatory with runtime

runtime/bin/vmservice/observatory/deployed/web/packages/shadow_dom/shadow_dom.min.js

Index: runtime/bin/vmservice/observatory/deployed/web/packages/shadow_dom/shadow_dom.min.js
diff --git a/runtime/bin/vmservice/observatory/deployed/web/packages/shadow_dom/shadow_dom.min.js b/runtime/bin/vmservice/observatory/deployed/web/packages/shadow_dom/shadow_dom.min.js
deleted file mode 100644
index c4c13c8ffd4c94f0e98419d9d8a02e88bf217235..0000000000000000000000000000000000000000
--- a/runtime/bin/vmservice/observatory/deployed/web/packages/shadow_dom/shadow_dom.min.js
+++ /dev/null
@@ -1,3 +0,0 @@
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