meta-systemd: remove wpa-supplicant bbappend

* oe-core now has wpa-supplicant 2.0, but also installs wpa_supplicant.service to PN
* feel free to add new bbappend with only systemd inherit and updated SYSTEMD_PACKAGES

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-systemd/oe-core/recipes-connectivity/wpa-supplicant/wpa-supplicant_1.0.bbappend

@@ -1,15 +0,0 @@
-PRINC := "${@int(PRINC) + 2}"
-
-inherit systemd
-
-SYSTEMD_PACKAGES = "${PN}-systemd"
-SYSTEMD_SERVICE = "wpa_supplicant.service"
-SYSTEMD_AUTO_ENABLE = "disable"
-
-do_install_append () {
-    install -d ${D}${systemd_unitdir}/system
-    install -m 644 ${S}/systemd/*.service ${D}${systemd_unitdir}/system
-}
-
-# systemd.bbclass does not catch all multiple-instance-service-files
-FILES_${PN}-systemd += "${systemd_unitdir}/system/"