LinearSolver::Options::num_eliminate_blocks is dead.

Replaced with LinearSolver::Options::elimination_groups.

Change-Id: I7c07542ec19279a35ddf6da498d417a79395c77f
diff --git a/internal/ceres/implicit_schur_complement_test.cc b/internal/ceres/implicit_schur_complement_test.cc
index f948403..bd36672 100644
--- a/internal/ceres/implicit_schur_complement_test.cc
+++ b/internal/ceres/implicit_schur_complement_test.cc
@@ -83,7 +83,7 @@
     const int num_schur_rows = blhs.num_rows();
 
     LinearSolver::Options options;
-    options.num_eliminate_blocks = num_eliminate_blocks_;
+    options.elimination_groups.push_back(num_eliminate_blocks_);
     options.type = DENSE_SCHUR;
 
     scoped_ptr<SchurEliminatorBase> eliminator(