[SPARK-14952][CORE][ML] Remove methods that were deprecated in 1.6.0

#### What changes were proposed in this pull request?

This PR removes three methods the were deprecated in 1.6.0:
- `PortableDataStream.close()`
- `LinearRegression.weights`
- `LogisticRegression.weights`

The rationale for doing this is that the impact is small and that Spark 2.0 is a major release.

#### How was this patch tested?
Compilation succeded.

Author: Herman van Hovell <hvanhovell@questtec.nl>

Closes #12732 from hvanhovell/SPARK-14952.

1 files changed, 5 insertions, 0 deletions

diff --git a/project/MimaExcludes.scala b/project/MimaExcludes.scala
index 6fc49a08fe..33e0db606c 100644
--- a/project/MimaExcludes.scala
+++ b/project/MimaExcludes.scala
@@ -689,6 +689,11 @@ object MimaExcludes {
         // [SPARK-4452][Core]Shuffle data structures can starve others on the same thread for memory
         ProblemFilters.exclude[IncompatibleTemplateDefProblem]("org.apache.spark.util.collection.Spillable")
       ) ++ Seq(
+        // [SPARK-14952][Core][ML] Remove methods deprecated in 1.6
+        ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.input.PortableDataStream.close"),
+        ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.ml.classification.LogisticRegressionModel.weights"),
+        ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.ml.regression.LinearRegressionModel.weights")
+      ) ++ Seq(
         // SPARK-14654: New accumulator API
         ProblemFilters.exclude[MissingTypesProblem]("org.apache.spark.ExceptionFailure$"),
         ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.ExceptionFailure.apply"),