[gnome-build-meta] Revert "core-deps/plymouth.bst: Use git version to re-enable bgrt theme"

[Michael Catanzaro <mcatanzaro src gnome org>]

commit b549b2e883d7478128bd7d8f92dbadd0b4512450
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue Jul 7 00:03:00 2020 +0000

    Revert "core-deps/plymouth.bst: Use git version to re-enable bgrt theme"
    
    This reverts commit 99bf64efdc5a2d5c5fdedb627967b931d02be3d0

 elements/core-deps/plymouth.bst  |  9 ++-------
 files/plymouth/no-intltool.patch | 15 ---------------
 2 files changed, 2 insertions(+), 22 deletions(-)
---
diff --git a/elements/core-deps/plymouth.bst b/elements/core-deps/plymouth.bst
index 72b3d7f3..393b550d 100644
--- a/elements/core-deps/plymouth.bst
+++ b/elements/core-deps/plymouth.bst
@@ -1,13 +1,8 @@
 kind: autotools
 
 sources:
-  # Plymouth has not been released for a while. Fedora uses a non-released
-  # version. We need the bgrt theme.
-- kind: git_tag
-  url: git_freedesktop_org:plymouth/plymouth.git
-  track: d7c737d05afea5ff1b26f90708a15add5c30fe92
-- kind: patch
-  path: files/plymouth/no-intltool.patch
+- kind: tar
+  url: https://www.freedesktop.org/software/plymouth/releases/plymouth-0.9.4.tar.xz
 
 depends:
 - sdk/gtk+-3.bst