Remove all usages of REQUIRES-ANY in the test suite.

Pending LIT changes are about to remove the REQUIRES-ANY keyword
in place of supporting boolean && and || within "REQUIRES". This
patch prepares libc++ for that change so that when applied
the bots don't lose their mind.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292901 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc.pass.cpp

@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // <functional>
-// REQUIRES-ANY: c++98, c++03, c++11, c++14
+// REQUIRES: c++98 || c++03 || c++11 || c++14
 
 // class function<R(ArgTypes...)>