remove avro schema

Author: jinchengchenghh

backends-velox/pom.xml

@@ -139,12 +139,6 @@
           <version>5.11.4</version>
           <scope>test</scope>
         </dependency>
-        <dependency>
-          <groupId>org.apache.avro</groupId>
-          <artifactId>avro</artifactId>
-          <version>1.12.0</version>
-          <scope>test</scope>
-        </dependency>
       </dependencies>
     </profile>
     <profile>