gnu: guile: Update to 3.0.9.

* gnu/packages/guile.scm (guile-3.0-latest): Update to 3.0.9.
* gnu/packages/package-management.scm (guix-for-cuirass): Remove.
* gnu/packages/ci.scm (cuirass)[inputs]: Replace 'guix-for-cuirass' with
'guix'.
* gnu/packages/patches/guile-continuation-stack-leak.patch,
gnu/packages/patches/guile-cross-compilation.patch: Remove.
* gnu/local.mk (dist_patch_DATA): Remove them.

gnu/packages/ci.scm

@@ -166,13 +166,7 @@
              ;; the inputs to add it to GUILE_LOAD_PATH.
              guile-bytestructures
 
-             ;; FIXME: The 'cuirass evaluate' command is multithreaded, but it
-             ;; uses 'open-inferior', which calls 'primitive-fork', thus
-             ;; potentially creating child processes that deadlock.  To work
-             ;; around that, use the last revision of Guix where
-             ;; 'open-inferior' was using 'open-pipe*' rather than
-             ;; 'primitive-fork'.  See <https://issues.guix.gnu.org/55441>.
-             guix-for-cuirass))
+             guix))
       (native-inputs
        (list autoconf automake pkg-config texinfo ephemeralpg))
       (native-search-paths