Tweak .clang-format configuration.

Remove the custom configuration options for brace wrapping. They
don't work well for inline functions or type-traits classes.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@291998 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/.clang-format b/.clang-format
index 782e2b8..2d1d3be 100644
--- a/.clang-format
+++ b/.clang-format
@@ -4,11 +4,6 @@
 Language: Cpp
 
 AlwaysBreakTemplateDeclarations: true
-AllowShortFunctionsOnASingleLine: Inline
-BreakBeforeBraces: Custom
-BraceWrapping:
-  AfterClass: true
-  AfterFunction: true
 PointerAlignment: Left
 
 # Disable formatting options which may break tests.