meta-phosphor: remove unused raspberrypi directory

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ib577fd4e0645d7e7030fd2b57fc7b09f15ee750e
diff --git a/meta-phosphor/raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend b/meta-phosphor/raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend
deleted file mode 100644
index 4fc41d0..0000000
--- a/meta-phosphor/raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend
+++ /dev/null
@@ -1 +0,0 @@
-FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"