Fix .clang-format ContinuationIndentWidth.

Change-Id: If41900122accb2c1ebf012bfa07de9b0fa9690fc
diff --git a/.clang-format b/.clang-format
index 9b7478c..b8c6428 100644
--- a/.clang-format
+++ b/.clang-format
@@ -6,7 +6,6 @@
 CommentPragmas: NOLINT:.*
 DerivePointerAlignment: false
 IndentWidth: 2
-ContinuationIndentWidth: 2
 PointerAlignment: Left
 TabWidth: 2
 UseTab: Never