fix: fixed blackduck scan failing on the main branch (#39)

Author: YegorZh

.github/workflows/CI-appsec-blackduck-master.yml

@@ -24,9 +24,6 @@ jobs:
       - name: Setup Gradle
         uses: gradle/gradle-build-action@v2
 
-      - name: Make gradlew executable
-        run: chmod +x ./gradlew
-
       - name: Execute Gradle build
         run: ./gradlew check
         env: