tests/qtest: do not list ahci-test twice

This is caught by "meson test", which complains about two tests with the
same name.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200904120342.11370-1-pbonzini@redhat.com>
Fixes: a2ce7dbd ("meson: convert tests/qtest to meson")
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/qtest/meson.build

@@ -49,7 +49,6 @@ qtests_i386 = \
   qtests_pci +                                                                              \
   ['fdc-test',
    'ide-test',
-   'ahci-test',
    'hd-geo-test',
    'boot-order-test',
    'bios-tables-test',