Implement Issue influxdata#389 : Support for MessagePack

accept-encoding must be controlled by custom Request Interceptor rather than hard-coding

Author: lxhoan

src/main/java/org/influxdb/impl/InfluxDBImpl.java

@@ -130,8 +130,7 @@ public InfluxDBImpl(final String url, final String username, final String passwo
     switch (responseFormat) {
     case MSGPACK:
       clonedBuilder.addInterceptor(chain -> {
-        Request request = chain.request().newBuilder().addHeader("Accept", APPLICATION_MSGPACK)
-            .addHeader("Accept-Encoding", "identity").build();
+        Request request = chain.request().newBuilder().addHeader("Accept", APPLICATION_MSGPACK).build();
         return chain.proceed(request);
       });