fix: remove extra line added to prevent EUICallout overflow from spil…

…ling over panel edges

The bug this was intended to fix doesn’t appear yet because dashboard isn’t using this, and it causes other issues, so for now, just remove.

src/legacy/core_plugins/embeddable_api/public/panel/_embeddable_panel.scss

@@ -13,7 +13,6 @@
     flex: 1 1 100%;
     z-index: 1;
     min-height: 0; // Absolute must for Firefox to scroll contents 
-    overflow: auto;
   }