SONARJAVA-5882 Remove unused LOG from JavaSensor (#5365)

Author: leonardo-pilastri-sonarsource

sonar-java-plugin/src/main/java/org/sonar/plugins/java/JavaSensor.java

@@ -25,8 +25,6 @@
 import java.util.Set;
 import java.util.function.UnaryOperator;
 import javax.annotation.Nullable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.sonar.api.batch.DependedUpon;
 import org.sonar.api.batch.Phase;
 import org.sonar.api.batch.fs.FileSystem;
@@ -61,8 +59,6 @@
 @DependedUpon("org.sonar.plugins.java.JavaSensor")
 public class JavaSensor implements Sensor {
 
-  private static final Logger LOG = LoggerFactory.getLogger(JavaSensor.class);
-
   private static final String PERFORMANCE_MEASURE_ACTIVATION_PROPERTY = "sonar.java.performance.measure";
   private static final String PERFORMANCE_MEASURE_FILE_PATH_PROPERTY = "sonar.java.performance.measure.path";
   private static final String PERFORMANCE_MEASURE_DESTINATION_FILE = "sonar.java.performance.measure.json";