removed unnecessary imports

Author: jkbradley

mllib/src/main/scala/org/apache/spark/mllib/api/python/PythonMLLibAPI.scala

@@ -25,13 +25,11 @@ import org.apache.spark.annotation.DeveloperApi
 import org.apache.spark.api.java.{JavaRDD, JavaSparkContext}
 import org.apache.spark.mllib.classification._
 import org.apache.spark.mllib.clustering._
-import org.apache.spark.mllib.linalg.{SparseVector, Vector, Vectors}
 import org.apache.spark.mllib.optimization._
 import org.apache.spark.mllib.linalg.{Matrix, SparseVector, Vector, Vectors}
 import org.apache.spark.mllib.random.{RandomRDDGenerators => RG}
 import org.apache.spark.mllib.recommendation._
 import org.apache.spark.mllib.regression._
-import org.apache.spark.mllib.tree.configuration.Algo._
 import org.apache.spark.mllib.tree.configuration.{Algo, Strategy}
 import org.apache.spark.mllib.tree.DecisionTree
 import org.apache.spark.mllib.tree.impurity._