clatd's .clang-format shouldn't be kept in sync with system/core

Test: manual
Change-Id: I1d912813fdcf886813595a3eba6af51146640fd7
diff --git a/.clang-format b/.clang-format
index 6682f77..f1debbd 100644
--- a/.clang-format
+++ b/.clang-format
@@ -1,6 +1,3 @@
-# https://clang.llvm.org/docs/ClangFormatStyleOptions.html
-# Please keep this file in sync with system/core/.clang-format-4
-#
 BasedOnStyle: Google
 AlignConsecutiveAssignments: true
 AlignEscapedNewlines: Right