Gradle plugin does not support Java 1.8, the readme lied to me

.github/workflows/ballfield.yml

@@ -31,15 +31,11 @@ jobs:
       APP_NAME: ballfield
       # It takes one hour per one architecture to build Boost and ICU libraries, and Github limits CI script duration to 6 hours
       ARCH_LIST: armeabi-v7a arm64-v8a x86 x86_64
+      PATH: ${ANDROID_NDK_LATEST_HOME}:${PATH}
 
     runs-on: ubuntu-latest
 
     steps:
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
-        with:
-          java-version: 1.8
-
       - name: Setup Android SDK
         uses: android-actions/setup-android@v2
 
@@ -68,12 +64,10 @@ jobs:
       - name: Build Boost, ICU, and OpenSSL
         # This takes exactly one hour on Gitlab runner
         run: |
-          export PATH=$ANDROID_NDK_LATEST_HOME:$PATH
           ./changeAppSettings.sh
 
       - name: Hyper turbo build script GOOOOOOOOOOOO
         run: |
-          export PATH=$ANDROID_NDK_LATEST_HOME:$PATH
           ./build.sh
 
       - name: Package