DATAMONGO-2193 - Polishing.

Reformat code.

Original pull request: #640.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/QueryMapper.java

@@ -636,7 +636,7 @@ public class QueryMapper {
 
 	/**
 	 * Returns whether the given {@link String} is the type key.
-	 * 
+	 *
 	 * @param key
 	 * @return
 	 * @see MongoTypeMapper#isTypeKey(String)
@@ -931,7 +931,7 @@ public class QueryMapper {
 		@Override
 		public boolean isIdField() {
 
-			if(property != null) {
+			if (property != null) {
 				return property.isIdProperty();
 			}
 
@@ -1056,7 +1056,7 @@ public class QueryMapper {
 				}
 
 				return propertyPath;
-			} catch (PropertyReferenceException | InvalidPersistentPropertyPath  e) {
+			} catch (PropertyReferenceException | InvalidPersistentPropertyPath e) {
 				return null;
 			}
 		}

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/MongoTemplateTests.java

@@ -45,7 +45,6 @@ import java.util.stream.IntStream;
 
 import org.bson.types.ObjectId;
 import org.hamcrest.collection.IsMapContaining;
-import org.hamcrest.core.IsSame;
 import org.joda.time.DateTime;
 import org.junit.After;
 import org.junit.Before;