fix: remove unnecessary cache (#825)

Author: csviri

.github/workflows/sonar.yml

@@ -29,12 +29,6 @@ jobs:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
-      - name: Cache Maven packages
-        uses: actions/[email protected]
-        with:
-          path: ~/.m2
-          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
-          restore-keys: ${{ runner.os }}-m2
       - name: Build and analyze
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any