remove fastjson license

dolphinscheduler-dist/release-docs/LICENSE

@@ -255,7 +255,6 @@ The text of each license is also included at licenses/LICENSE-[project].txt.
     derby 10.14.2.0: https://github.com/apache/derby, Apache 2.0
     druid 1.1.14: https://mvnrepository.com/artifact/com.alibaba/druid/1.1.14, Apache 2.0
     error_prone_annotations 2.1.2: https://mvnrepository.com/artifact/com.google.errorprone/error_prone_annotations/2.1.2, Apache 2.0
-    fastjson 1.2.61: https://mvnrepository.com/artifact/com.alibaba/fastjson/1.2.61, Apache 2.0
     freemarker 2.3.21: https://github.com/apache/freemarker, Apache 2.0
     grpc-context 1.9.0: https://mvnrepository.com/artifact/io.grpc/grpc-context/1.9.0, Apache 2.0
     grpc-core 1.9.0: https://mvnrepository.com/artifact/io.grpc/grpc-core/1.9.0, Apache 2.0

dolphinscheduler-dist/release-docs/NOTICE

@@ -2214,26 +2214,6 @@ The Apache Software Foundation (http://www.apache.org/).
 =========================================================================
 
 
-FastJson NOTICE
-=========================================================================
-/*
- * Copyright 1999-2017 Alibaba Group.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-=========================================================================
-
-
 Datanucleus NOTICE
 
 =========================================================================

tools/dependencies/known-dependencies.txt

@@ -43,7 +43,6 @@ datanucleus-core-4.1.6.jar
 datanucleus-rdbms-4.1.7.jar
 derby-10.14.2.0.jar
 druid-1.1.14.jar
-fastjson-1.2.61.jar
 gson-2.8.5.jar
 guava-20.0.jar
 guice-3.0.jar