[libcxx] Remove pragmas that were needed to suppress warnings produced

by -Wpadded.

We don't need these pragmas anymore because -Wpadded was removed from
buildit in r258900.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@259023 91177308-0d34-0410-b5e6-96231b3b80d8

src/locale.cpp

@@ -123,11 +123,6 @@ const locale::category locale::time;
 const locale::category locale::messages;
 const locale::category locale::all;
 
-#if defined(__clang__)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wpadded"
-#endif
-
 class _LIBCPP_HIDDEN locale::__imp
     : public facet
 {
@@ -163,10 +158,6 @@ private:
     template <class F> void install_from(const __imp& other);
 };
 
-#if defined(__clang__)
-#pragma clang diagnostic pop
-#endif
-
 locale::__imp::__imp(size_t refs)
     : facet(refs),
       facets_(N),