package-index/run-postinsts: Drop staging functions

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

meta/packages/meta/package-index.bb

@@ -17,8 +17,6 @@ do_compile() {
 }
 do_install() {
 }
-do_stage() {
-}
 
 do_build[nostamp] = "1"
 do_build[dirs] = "${DEPLOY_DIR_IPK}"

meta/packages/meta/run-postinsts_1.0.bb

@@ -24,7 +24,3 @@ do_install() {
 	install -d ${D}${datadir}/${PN}/
 	install -m 0644 ${WORKDIR}/run-postinsts.awk ${D}${datadir}/${PN}/
 }
-
-do_stage () {
-	:
-}