Fix more issues with cups

pkg.info

@@ -1,7 +1,7 @@
 name: cups
 description: An open-source printing system
 version: 2.4.15
-revision: 2
+revision: 3
 url: https://openprinting.github.io/cups/
 license: Apache2 with LLVM-exception and BSD-3-Clause and Zlib and BSD-2-Clause
 architecture: any
@@ -31,7 +31,6 @@ split_packages:
       - etc/cups/classes.conf
       - etc/cups/cups-files.conf
       - etc/cups/subscriptions.conf
-      - etc/pam.d/cups
     depends:
       - acl
       - avahi