gnu: at-spi2-core: Remove unnecessary test timeout.

Guix provides its own superior-quality time-outs.

* gnu/packages/gtk.scm (at-spi2-core)[arguments]: Remove the
‘timeout’ argument from the test invocation.

Change-Id: Ic324c5992d48cafa4b6b9856b381d461083d8de2
Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr>

gnu/packages/gtk.scm

@@ -856,6 +856,9 @@ ever use this library.")
                        (with-directory-excursion (string-append "../at-spi2-core-"
                                                                 #$version "")
                          (invoke "dbus-run-session" "--" "ci/run-registryd-tests.sh")
+                         (substitute* "tests/atspi/meson.build"
+                           ;; Remove a timeout causing aarch64 build failures.
+                           ((", timeout: [0-9]+") ""))
                          (substitute* "ci/run-tests.sh"
                            (("ps auxwww") "")   ;avoid a dependency on procps
                            (("meson test -C _build")