[gnome-build-meta/libshumate-cleanup] core-deps/libshumate: Drop explicit building against soup3

[Jeremy Bicha <jbicha src gnome org>]

commit 91488682189d1f2e924dead82a9554d7a19ed079
Author: Jeremy Bicha <jeremy bicha canonical com>
Date:   Wed Aug 31 17:10:12 2022 -0400

    core-deps/libshumate: Drop explicit building against soup3
    
    libsoup3 is now the default so let's simplify
    
    This partially reverts commit 3dcbd65a7cb96147544e9dba75ed778ca4bd56ec.

 elements/core-deps/libshumate.bst | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/elements/core-deps/libshumate.bst b/elements/core-deps/libshumate.bst
index 200125df9..f8c9af15b 100644
--- a/elements/core-deps/libshumate.bst
+++ b/elements/core-deps/libshumate.bst
@@ -16,7 +16,3 @@ depends:
 - sdk/gtk.bst
 - sdk/libsoup.bst
 - freedesktop-sdk.bst:bootstrap-import.bst
-
-variables:
-  meson-local: >-
-    -Dlibsoup3=true