Delete outlier-detection EA (#4392)

* git rm -r packages/composites/outlier-detection

* Manual changes

* yarn

* changeset

---------

Co-authored-by: app-token-issuer-data-feeds[bot] <134377064+app-token-issuer-data-feeds[bot]@users.noreply.github.com>

Author: dskloetc

.changeset/giant-dots-attack.md

@@ -0,0 +1,5 @@
+---
+'@chainlink/ea-scripts': patch
+---
+
+Delete outlier-detection EA