[gnome-build-meta] Remove mozjs60 and switch polkit to mozjs68

[Michael Catanzaro <mcatanzaro src gnome org>]

commit def7727d005b0f75dd0f08be88b00fdb5336288c
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Jun 17 11:51:31 2020 -0500

    Remove mozjs60 and switch polkit to mozjs68

 elements/core-deps.bst         |  1 -
 elements/core-deps/mozjs60.bst | 26 --------------------------
 elements/core-deps/polkit.bst  |  2 +-
 3 files changed, 1 insertion(+), 28 deletions(-)
---
diff --git a/elements/core-deps.bst b/elements/core-deps.bst
index b57e8875..173521bf 100644
--- a/elements/core-deps.bst
+++ b/elements/core-deps.bst
@@ -92,7 +92,6 @@ depends:
 - core-deps/mm-common.bst
 - core-deps/mobile-broadband-provider-info.bst
 - core-deps/mogwai.bst
-- core-deps/mozjs60.bst
 - core-deps/mpc.bst
 - core-deps/mpfr.bst
 - core-deps/ndctl.bst
diff --git a/elements/core-deps/polkit.bst b/elements/core-deps/polkit.bst
index 6892929c..645adab1 100644
--- a/elements/core-deps/polkit.bst
+++ b/elements/core-deps/polkit.bst
@@ -16,7 +16,7 @@ build-depends:
 
 depends:
 - sdk/gobject-introspection.bst
-- core-deps/mozjs60.bst
+- sdk/mozjs68.bst
 - freedesktop-sdk.bst:components/linux-pam.bst
 - freedesktop-sdk.bst:components/systemd.bst
 - freedesktop-sdk.bst:bootstrap-import.bst