remove json dependency

Author: jornfranke

inputformat/build.gradle

@@ -132,8 +132,6 @@ dependencies {
     // hadoop libraries
    provided("org.apache.hadoop:hadoop-common:2.7.0")
    provided("org.apache.hadoop:hadoop-mapreduce-client-common:2.7.0")
-   // JSR 374 JSON processing API
-   compile("javax.json:javax.json-api:1.1")
    // log4j2
    provided("org.apache.logging.log4j:log4j-api:2.9.1")
    // test

inputformat/src/main/java/org/zuinnote/hadoop/namecoin/format/common/NamecoinUtil.java

@@ -15,17 +15,10 @@
 **/
 package org.zuinnote.hadoop.namecoin.format.common;
 
-import java.io.StringReader;
 import java.nio.ByteBuffer;
 import java.nio.charset.Charset;
 
 
-import javax.json.Json;
-import javax.json.JsonObject;
-import javax.json.JsonObjectBuilder;
-import javax.json.JsonReader;
-import javax.json.stream.JsonParsingException;
-
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.zuinnote.hadoop.bitcoin.format.common.BitcoinUtil;