MAINTAINERS: remove Ed Tanous as reviewer

Per mailing list email, Ed is no longer at Intel and the email address
listed in the MAINTAINERS file is not valid.

    https://lists.ozlabs.org/pipermail/openbmc/2019-October/019000.html

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: If284d33490cc0fadaf4467da7bca5d32a32e52bd
diff --git a/MAINTAINERS b/MAINTAINERS
index 842b167..bfe81de 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -43,4 +43,3 @@
 -------------------------
 
 M:  Brad Bishop <bradleyb@fuzziesquirrel.com> <radsquirrel!>
-R:  Ed Tanous <ed.tanous@intel.com> <EdTanous!>