meta-ibm: Drop phosphor-gevent append

The IBM layer doesn't use gevent anymore.

Change-Id: Ic81deb2196da189fb6920ed1014dae4f72627087
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/recipes-phosphor/phosphor-gevent/phosphor-gevent_%.bbappend b/recipes-phosphor/phosphor-gevent/phosphor-gevent_%.bbappend
deleted file mode 100644
index 6dd263b..0000000
--- a/recipes-phosphor/phosphor-gevent/phosphor-gevent_%.bbappend
+++ /dev/null
@@ -1,4 +0,0 @@
-SUMMARY = "Modifications to support Nginx"
-
-# override service and socket file to use nginx
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"