base-files: drop legacy empty file /etc/default/usbd

Doesn't seem to be referenced by anything in oe-core any more.

(From OE-Core rev: 526188096bc37af3140c9210ece92ed94c3bdfe0)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/base-files/base-files_3.0.14.bb

@@ -20,7 +20,6 @@ SRC_URI = "file://rotation \
            file://fstab \
            file://issue.net \
            file://issue \
-           file://usbd \
            file://share/dot.bashrc \
            file://share/dot.profile \
            file://licenses/GPL-2 \
@@ -122,7 +121,6 @@ do_install () {
 	fi
 
 	install -m 0644 ${WORKDIR}/fstab ${D}${sysconfdir}/fstab
-	install -m 0644 ${WORKDIR}/usbd ${D}${sysconfdir}/default/usbd
 	install -m 0644 ${WORKDIR}/profile ${D}${sysconfdir}/profile
 	sed -i 's#ROOTHOME#${ROOT_HOME}#' ${D}${sysconfdir}/profile
         sed -i 's#@BINDIR@#${bindir}#g' ${D}${sysconfdir}/profile