Don't use plymouth-encrypt if there is keyfile in use, because it is buggy and asks for password even when it is not needed

src/modules/initcpiocfg/main.py

@@ -153,7 +153,7 @@ def modify_mkinitcpio_conf(partitions, root_mount_point):
             hooks.append("usr")
 
     if encrypt_hook:
-        if detect_plymouth():
+        if detect_plymouth() and unencrypted_separate_boot():
             hooks.append("plymouth-encrypt")
         else:
             hooks.append("encrypt")