[devhelp] Remove incorrect arg for i18n.merge_file

[Emmanuele Bassi <ebassi src gnome org>]

commit 03b9b6b55ab1e1376b314ac7f99693512e42d80b
Author: r-value <i rvalue moe>
Date:   Wed Nov 17 18:02:20 2021 +0800

    Remove incorrect arg for i18n.merge_file
    
    `i18n.merge_file` has been ignoring positional arguments and
    explicitly rejects with error "ERROR: Function does not take
    positional arguments" since meson 0.60.0

 plugins/gedit-plugin/meson.build | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/plugins/gedit-plugin/meson.build b/plugins/gedit-plugin/meson.build
index 4f779886..877a01ff 100644
--- a/plugins/gedit-plugin/meson.build
+++ b/plugins/gedit-plugin/meson.build
@@ -7,7 +7,6 @@ install_data(
 
 plugin_info_file = 'devhelp.plugin'
 I18N.merge_file(
-  plugin_info_file,
   type: 'desktop',
   input: plugin_info_file + '.desktop.in',
   output: plugin_info_file,