Remove avro-sbt and its dependency.

Author: sarutak

project/SparkBuild.scala

@@ -737,9 +737,6 @@ object Catalyst {
 }
 
 object SQL {
-
-  import sbtavro.SbtAvro.autoImport._
-
   lazy val settings = Seq(
     (console / initialCommands) :=
       """
@@ -761,10 +758,8 @@ object SQL {
         |import sqlContext.implicits._
         |import sqlContext._
       """.stripMargin,
-    (console / cleanupCommands) := "sc.stop()",
-    Test / avroGenerate := (Compile / avroGenerate).value
+    (console / cleanupCommands) := "sc.stop()"
   )
-
 }
 
 object Hive {

project/plugins.sbt

@@ -33,9 +33,6 @@ addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "0.9.2")
 
 addSbtPlugin("com.eed3si9n" % "sbt-unidoc" % "0.4.3")
 
-addSbtPlugin("com.cavorite" % "sbt-avro" % "2.1.1")
-libraryDependencies += "org.apache.avro" % "avro-compiler" % "1.10.2"
-
 addSbtPlugin("io.spray" % "sbt-revolver" % "0.9.1")
 
 libraryDependencies += "org.ow2.asm"  % "asm" % "7.3.1"