SONARJAVA-5664 Remove unused imports to fix QG (#5228)

Author: tomasz-tylenda-sonarsource

java-checks/src/test/java/org/sonar/java/filters/BaseTreeVisitorIssueFilterTest.java

@@ -29,7 +29,6 @@
 import org.sonar.check.Rule;
 import org.sonar.java.ast.JavaAstScanner;
 import org.sonar.java.checks.verifier.TestUtils;
-import org.sonar.java.model.JavaVersionImpl;
 import org.sonar.java.testing.VisitorsBridgeForTests;
 import org.sonar.plugins.java.api.JavaCheck;
 import org.sonar.plugins.java.api.tree.ClassTree;

java-frontend/src/test/java/org/sonar/plugins/java/api/IssuableSubscriptionVisitorTest.java

@@ -24,7 +24,6 @@
 import org.mockito.Mockito;
 import org.sonar.java.TestUtils;
 import org.sonar.java.ast.JavaAstScanner;
-import org.sonar.java.model.JavaVersionImpl;
 import org.sonar.java.reporting.AnalyzerMessage;
 import org.sonar.java.testing.VisitorsBridgeForTests;
 import org.sonar.plugins.java.api.tree.ClassTree;