Remove unused logger from class

Logger is not being used here so removing.

json-path/src/main/java/com/jayway/jsonpath/internal/token/EvaluationContextImpl.java

@@ -23,8 +23,6 @@ import com.jayway.jsonpath.internal.EvaluationContext;
 import com.jayway.jsonpath.internal.Path;
 import com.jayway.jsonpath.internal.PathRef;
 import com.jayway.jsonpath.spi.json.JsonProvider;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -40,8 +38,6 @@ import static com.jayway.jsonpath.internal.Utils.notNull;
  */
 public class EvaluationContextImpl implements EvaluationContext {
 
-    private static final Logger logger = LoggerFactory.getLogger(EvaluationContextImpl.class);
-
     private final Configuration configuration;
     private final Object valueResult;
     private final Object pathResult;