gbmc...target: drop target file

Droppping the target file and adding to recipe.

Change-Id: Id4be6ba9872f025845fc0e8bcb72fa8695ebb276
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/gbmc-psu-hardreset.target b/gbmc-psu-hardreset.target
deleted file mode 100644
index c076830..0000000
--- a/gbmc-psu-hardreset.target
+++ /dev/null
@@ -1,3 +0,0 @@
-[Unit]
-Description=Sys PSU Hard Reset
-