refactor: remove linux portable zip from build process because AppImage is alreay portable

Author: JulsKawa

.github/workflows/build_and_release.yml

@@ -33,4 +33,4 @@ jobs:
           ./build/wartlock.AppImage
           ./build/wartlock.exe
           ./build/win-portable.zip
-          ./build/linux-portable.zip
+          

dockerfiles/linux.dockerfile

@@ -4,9 +4,5 @@ WORKDIR /code
 RUN npm i
 RUN npm run build:linux
 
-RUN apt-get update && apt-get install -y zip && \
-    zip -r /code/dist/linux-unpacked.zip /code/dist/linux-unpacked
-
 FROM scratch AS export-stage
 COPY --from=linux_build /code/dist/*.AppImage /wartlock.AppImage
-COPY --from=linux_build /code/dist/linux-unpacked.zip ./linux-portable.zip