chore: remove 'universal' APK upload configuration from workflow and Nyx config

.github/workflows/build.yml

@@ -95,11 +95,6 @@ jobs:
         with:
           name: apk-x86_64-${{ matrix.build_type }}
           path: app-x86_64-${{ matrix.build_type }}.apk
-      - name: Upload universal ${{ matrix.build_type }} APK
-        uses: actions/upload-artifact@v3
-        with:
-          name: apk-universal-${{ matrix.build_type }}
-          path: app-universal-${{ matrix.build_type }}.apk
       - name: Upload ${{ matrix.build_type }} mappings
         if: ${{ matrix.build_type == 'release' }}
         uses: actions/upload-artifact@v3

.nyx.yml

@@ -29,11 +29,6 @@ releaseAssets:
     description: "AndroidIDE {{version}} armeabi-v7a release APK"
     path: app-armeabi-v7a-release.apk
     type: application/octet-stream
-  apk_universal:
-    fileName: "androidide-{{version}}-universal.apk"
-    description: "AndroidIDE {{version}} universal release APK"
-    path: app-universal-release.apk
-    type: application/octet-stream
 
 releaseTypes:
   enabled: