branch staging updated (c450ee9 -> b07384b)

[guix-commits]

dannym pushed a change to branch staging
in repository guix.

    from c450ee9  gnu: python-gst: Build with Meson.
     new 6839095  gnu: mrustc: Update to 0.8.1.
     new b07384b  gnu: mrustc: Clean up.

The 2 revisions listed above as "new" are entirely new to this
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Summary of changes:
 gnu/local.mk                                       |  1 -
 ...8.0-fix-variable-length-integer-receiving.patch | 15 -------
 gnu/packages/rust.scm                              | 48 ++++++++++------------
 3 files changed, 22 insertions(+), 42 deletions(-)
 delete mode 100644 
gnu/packages/patches/mrustc-0.8.0-fix-variable-length-integer-receiving.patch