Remove useless remove-libtool.bbclass since we upgraded to krogoth

classes/remove-libtool.bbclass

-# /!\ This is temporarily in meta-asteroid because we haven't fully updated to krogoth but this belongs to oe-core
-
-# This class removes libtool .la files after do_install
-
-REMOVE_LIBTOOL_LA ?= "1"
-
-remove_libtool_la() {
-	if [ "${REMOVE_LIBTOOL_LA}" != "0" ]; then
-		find "${D}" -ignore_readdir_race -name "*.la" -delete
-	fi
-}
-
-do_install[postfuncs] += "remove_libtool_la"