[glibmm] gio/giomm/meson.build: Silence a warning from Meson

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 5f07bff3f943bf71db5d92d035ff17fbc37a3a92
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Tue Mar 3 14:31:58 2020 +0100

    gio/giomm/meson.build: Silence a warning from Meson
    
    static_library() can't take a version: argument.

 gio/giomm/meson.build | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gio/giomm/meson.build b/gio/giomm/meson.build
index 325a1066..7dc21f0f 100644
--- a/gio/giomm/meson.build
+++ b/gio/giomm/meson.build
@@ -294,7 +294,6 @@ if maintainer_mode
   extra_include_dirs = ['..', '..' / '..' / 'glib']
   gio_int_lib = static_library('giomm-int',
     giomm_used_built_cc_file_targets, giomm_extra_cc_files, built_dummy_h_file_target,
-    version: glibmm_libversion,
     include_directories: extra_include_dirs,
     cpp_args: '-DGIOMM_BUILD=1',
     dependencies: giomm_build_dep,