atk: Make package empty to resolve conflicts

[der-eismann]

I just noticed that this doesn't produce any stone files... probably won't work as well, right? Do we need an empty stone?

[github-actions]

7 duplicates detected:
  - File: /usr/lib/gnome-settings-daemon-3.0/gtk-modules/at-spi2-atk.desktop
    Packages:
      - at-spi2-atk
      - at-spi2-core
  - File: /usr/lib/gtk-2.0/modules/libatk-bridge.so
    Packages:
      - at-spi2-atk
      - at-spi2-core
  - File: /usr/lib/libatk-bridge-2.0.so.0
    Packages:
      - at-spi2-atk
      - at-spi2-core
  - File: /usr/lib/libatk-bridge-2.0.so.0.0.0
    Packages:
      - at-spi2-atk
      - at-spi2-core
  - File: /usr/include/at-spi2-atk/2.0/atk-bridge.h
    Packages:
      - at-spi2-atk-devel
      - at-spi2-core-devel
  - File: /usr/lib/libatk-bridge-2.0.so
    Packages:
      - at-spi2-atk-devel
      - at-spi2-core-devel
  - File: /usr/lib/pkgconfig/atk-bridge-2.0.pc
    Packages:
      - at-spi2-atk-devel
      - at-spi2-core-devel

[ikeycode]

We'll need to match the original patterns - stubbing each subpackage with empty/doc files ?

[ikeycode]

Superseded by 52abafa