meta-ibm: romulus: mboxd: drop symlink

Drop symlink and rename bbappend for mboxd.

Change-Id: Ib1bc452a0167bb1283ff9c7b9237a8bd490cd87b
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/meta-romulus/recipes-phosphor/mboxd/mboxd_%.bbappend b/meta-romulus/recipes-phosphor/mboxd/mboxd_%.bbappend
deleted file mode 120000
index 02277c4..0000000
--- a/meta-romulus/recipes-phosphor/mboxd/mboxd_%.bbappend
+++ /dev/null
@@ -1 +0,0 @@
-mboxd.bbappend
\ No newline at end of file
diff --git a/meta-romulus/recipes-phosphor/mboxd/mboxd.bbappend b/meta-romulus/recipes-phosphor/mboxd/mboxd_%.bbappend
similarity index 100%
rename from meta-romulus/recipes-phosphor/mboxd/mboxd.bbappend
rename to meta-romulus/recipes-phosphor/mboxd/mboxd_%.bbappend