feat: Remove system flatpaks while building image

And move this out of yafti

Author: EyeCantCU

Containerfile

@@ -79,7 +79,8 @@ RUN if grep -v "nvidia" <<< "${IMAGE_NAME}"; then \
 ; fi 
 
 # Add Flathub
-RUN flatpak remote-add --system --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo && \
+RUN flatpak remove --system --noninteractive --all && \
+    flatpak remote-add --system --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo && \
     flatpak remote-modify --system flathub --no-filter --title="Flathub (System)"
 
 # Cleanup & Finalize

system_files/deck/usr/share/ublue-os/firstboot/yafti.yml

@@ -126,7 +126,6 @@ screens:
       - run: /usr/lib/fedora-third-party/fedora-third-party-opt-out
       - run: /usr/bin/fedora-third-party disable
       - run: flatpak remote-delete fedora --force
-      - run: flatpak remove --system --noninteractive --all
       - run: flatpak remote-add --if-not-exists --user flathub https://flathub.org/repo/flathub.flatpakrepo
   applications:
     source: yafti.screen.package

system_files/desktop/usr/share/ublue-os/firstboot/yafti.yml

@@ -93,7 +93,6 @@ screens:
       - run: /usr/lib/fedora-third-party/fedora-third-party-opt-out
       - run: /usr/bin/fedora-third-party disable
       - run: flatpak remote-delete fedora --force
-      - run: flatpak remove --system --noninteractive --all
       - run: flatpak remote-add --if-not-exists --user flathub https://flathub.org/repo/flathub.flatpakrepo
   applications:
     source: yafti.screen.package