build: Drop incorrect positional arg

Unlike other targets that take a name, i18n.merge_file() does not.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2078>

data/meson.build

@@ -16,7 +16,7 @@ desktopconf.set('bindir', bindir)
 desktopconf.set('systemd_hidden', have_systemd ? 'true' : 'false')
 
 foreach desktop_file : desktop_files
-  i18n.merge_file('desktop',
+  i18n.merge_file(
     input: configure_file(
       input: desktop_file + '.in.in',
       output: desktop_file + '.in',

src/calendar-server/meson.build

@@ -27,7 +27,7 @@ configure_file(
   install_dir: servicedir
 )
 
-i18n.merge_file('evolution-calendar.desktop',
+i18n.merge_file(
   input: 'evolution-calendar.desktop.in',
   output: 'evolution-calendar.desktop',
   po_dir: po_dir,

subprojects/extensions-app/data/meson.build

@@ -14,7 +14,7 @@ desktopconf.set('bindir', bindir)
 desktopconf.set('app_id', app_id)
 desktopconf.set('prgname', prgname)
 
-i18n.merge_file('desktop',
+i18n.merge_file(
   input: configure_file(
     input: base_id + '.desktop.in.in',
     output: desktop_file + '.in',

subprojects/extensions-app/data/metainfo/meson.build

@@ -1,5 +1,5 @@
 metainfo = app_id + '.metainfo.xml'
-i18n.merge_file(metainfo,
+i18n.merge_file(
   input: base_id + '.metainfo.xml.in',
   output: metainfo,
   po_dir: po_dir,

subprojects/extensions-tool/src/templates/meson.build

@@ -4,7 +4,7 @@ template_metas = [
 ]
 template_deps = []
 foreach template : template_metas
-  template_deps += i18n.merge_file(template,
+  template_deps += i18n.merge_file(
     input: template + '.in',
     output: template,
     po_dir: po_dir,