Remove unused logger from class

The logger is not used in this class.  Might as well remove it.

json-path/src/main/java/com/jayway/jsonpath/Configuration.java

@@ -18,9 +18,6 @@ import com.jayway.jsonpath.internal.DefaultsImpl;
 import com.jayway.jsonpath.spi.json.JsonProvider;
 import com.jayway.jsonpath.spi.mapper.MappingProvider;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -36,8 +33,6 @@ import static java.util.Arrays.asList;
  */
 public class Configuration {
 
-    private static final Logger logger = LoggerFactory.getLogger(Configuration.class);
-
     private static Defaults DEFAULTS = null;
 
     /**

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

@@ -14,13 +14,8 @@
  */
 package com.jayway.jsonpath.internal;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 public class JsonFormatter {
 
-    private static final Logger logger = LoggerFactory.getLogger(JsonFormatter.class);
-
     private static final String INDENT = "   ";
 
     private static final String NEW_LINE = System.getProperty("line.separator");

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;

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

@@ -15,16 +15,12 @@
 package com.jayway.jsonpath.internal.token;
 
 import com.jayway.jsonpath.internal.PathRef;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  *
  */
 public class RootPathToken extends PathToken {
 
-    private static final Logger logger = LoggerFactory.getLogger(RootPathToken.class);
-
     private PathToken tail;
     private int tokenCount;
 

json-path/src/main/java/com/jayway/jsonpath/spi/json/AbstractJsonProvider.java

@@ -15,8 +15,6 @@
 package com.jayway.jsonpath.spi.json;
 
 import com.jayway.jsonpath.JsonPathException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.util.Collection;
 import java.util.List;
@@ -24,9 +22,6 @@ import java.util.Map;
 
 public abstract class AbstractJsonProvider implements JsonProvider {
 
-    private static final Logger logger = LoggerFactory.getLogger(AbstractJsonProvider.class);
-
-
     /**
      * checks if object is an array
      *

json-path/src/main/java/com/jayway/jsonpath/spi/json/GsonJsonProvider.java

@@ -24,8 +24,6 @@ import com.google.gson.JsonPrimitive;
 import com.google.gson.internal.LazilyParsedNumber;
 import com.jayway.jsonpath.InvalidJsonException;
 import com.jayway.jsonpath.JsonPathException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -38,8 +36,6 @@ import java.util.Map;
 
 public class GsonJsonProvider extends AbstractJsonProvider {
 
-    private static final Logger logger = LoggerFactory.getLogger(GsonJsonProvider.class);
-
     private static final JsonParser parser = new JsonParser();
     private static final Gson gson = new GsonBuilder().create();
 

json-path/src/main/java/com/jayway/jsonpath/spi/mapper/JsonSmartMappingProvider.java

@@ -19,8 +19,6 @@ import com.jayway.jsonpath.TypeRef;
 import net.minidev.json.JSONValue;
 import net.minidev.json.writer.JsonReader;
 import net.minidev.json.writer.JsonReaderI;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.math.BigDecimal;
 import java.text.DateFormat;
@@ -30,8 +28,6 @@ import java.util.concurrent.Callable;
 
 public class JsonSmartMappingProvider implements MappingProvider {
 
-    private static final Logger logger = LoggerFactory.getLogger(JsonSmartMappingProvider.class);
-
     private static JsonReader DEFAULT = new JsonReader();
 
     static {