extra-repos/systemd: adjust bootstrap logic to remove usr-merge (MR 5661) (MR 5563)

pmaports.cfg

@@ -15,10 +15,11 @@ supported_heimdall_depends=heimdall,android-tools
 [repo:systemd]
 pmaports_dir=systemd
 # Build forks of Alpine packages that support usr_merge
-bootstrap_1=apk-tools abuild alpine-base
+bootstrap_1=abuild alpine-base
+bootstrap_2=systemd
 # Build systemd related pkgs without deps on each other
-bootstrap_2=[usr_merge] systemd dbus linux-pam
+bootstrap_3=dbus linux-pam
 # Build systemd related pkgs *with* deps on each other
-bootstrap_3=[usr_merge] systemd dbus linux-pam
+bootstrap_4=systemd dbus linux-pam
 # Marker that bootstrap is done, only needs to be built once
-bootstrap_4=[usr_merge] postmarketos-base-systemd
+bootstrap_5=postmarketos-base-systemd