fix(actions): remove redundant package cache

setup-java now handles this

Author: bluelhf

.github/workflows/maven.yml

@@ -16,11 +16,5 @@ jobs:
           distribution: temurin
           java-version: 17
           cache: maven
-      - name: Cache Maven packages
-        uses: actions/cache@v5
-        with:
-          path: ~/.m2
-          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
-          restore-keys: ${{ runner.os }}-m2
       - name: Run tests with Maven
         run: mvn -B test --file pom.xml