[gnome-session] meson: drop unused argument for i18n.merge_file()

[Ray Strode <halfline src gnome org>]

commit 1abd59271455fd89a40c82b857472f8e9b1a74f9
Author: Jan Beich <jbeich FreeBSD org>
Date:   Fri Jan 7 01:39:33 2022 +0000

    meson: drop unused argument for i18n.merge_file()
    
    Ignored in Meson < 0.60.0, deprecated since 0.60.1 and fatal since 0.61.0.
    
    data/meson.build:66:2: ERROR: Function does not take positional arguments.
    data/meson.build:97:7: ERROR: Function does not take positional arguments.

 data/meson.build | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index d3134ade..f6d264f8 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -64,7 +64,6 @@ foreach name: desktops
   endif
 
   desktop_target = i18n.merge_file(
-    desktop,
     type: 'desktop',
     input: desktop_in,
     output: desktop,
@@ -95,7 +94,6 @@ foreach session: sessions
   )
 
   i18n.merge_file(
-    session_file,
     type: 'desktop',
     input: desktop_in,
     output: session_file,