Fix "No code found during the build" error (#669)

Author: nakamura-to

.github/workflows/codeql-analysis.yml

@@ -24,23 +24,10 @@ jobs:
         with:
           java-version: 8
 
-      - name: Checkout
-        uses: actions/checkout@v2
-
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
 
-      - name: Cache Gradle
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}
-          restore-keys: |
-            ${{ runner.os }}-gradle-
-
-      - name: Build and Install packages
+      - name: Build
         run: ./gradlew assemble check
 
       - name: Perform CodeQL Analysis