Remove unused import

Author: komamitsu

msgpack-jackson/src/test/java/org/msgpack/jackson/dataformat/MessagePackFactoryTest.java

@@ -19,7 +19,6 @@
 import com.fasterxml.jackson.core.JsonFactory;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.AnnotationIntrospector;
 import com.fasterxml.jackson.databind.ObjectMapper;