HIVE-26954: Upgrade avro to 1.11.1

Author: amathur

pom.xml

@@ -107,7 +107,7 @@
     <!-- Include arrow for LlapOutputFormatService -->
     <arrow.version>2.0.0</arrow.version>
     <avatica.version>1.12.0</avatica.version>
-    <avro.version>1.8.2</avro.version>
+    <avro.version>1.11.1</avro.version>
     <bcprov-jdk15on.version>1.64</bcprov-jdk15on.version>
     <calcite.version>1.25.0</calcite.version>
     <datanucleus-api-jdo.version>5.2.8</datanucleus-api-jdo.version>
@@ -559,7 +559,6 @@
       <dependency>
         <groupId>org.apache.avro</groupId>
         <artifactId>avro-mapred</artifactId>
-        <classifier>hadoop2</classifier>
         <version>${avro.version}</version>
         <exclusions>
           <exclusion>

ql/pom.xml

@@ -241,7 +241,6 @@
     <dependency>
       <groupId>org.apache.avro</groupId>
       <artifactId>avro-mapred</artifactId>
-      <classifier>hadoop2</classifier>
     </dependency>
     <dependency>
       <groupId>org.apache.ant</groupId>