cmake: drop Debian specific PAM modules

Having a per-distribution set in the upstream project (sddm) does not
scale well. Instead sddm can provide a default set that distributions
can opt out of with "cmake -DINSTALL_PAM_CONFIGURATION=off ..."

services/CMakeLists.txt

@@ -20,18 +20,12 @@ endif()
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/sddm-greeter.pam.in" "${CMAKE_CURRENT_BINARY_DIR}/sddm-greeter.pam")
 
 if(INSTALL_PAM_CONFIGURATION)
-    if(EXISTS "/etc/debian_version")
-        install(FILES debian.sddm-autologin.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-autologin)
-        install(FILES debian.sddm-greeter.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-greeter)
-        install(FILES debian.sddm.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm)
+    if(HAVE_PAM_FAILLOCK)
+        install(FILES sddm-autologin.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-autologin)
     else()
-        if(HAVE_PAM_FAILLOCK)
-           install(FILES sddm-autologin.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-autologin)
-        else()
-           install(FILES sddm-autologin-tally2.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-autologin)
-        endif()
-
-        install(FILES sddm.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm)
-        install(FILES "${CMAKE_CURRENT_BINARY_DIR}/sddm-greeter.pam" DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-greeter)
+        install(FILES sddm-autologin-tally2.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-autologin)
     endif()
+
+    install(FILES sddm.pam DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm)
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/sddm-greeter.pam" DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/pam.d RENAME sddm-greeter)
 endif()