remove arm and freebsd from warning

Author: vinay-deshmukh

libcxx/include/__tree

@@ -624,9 +624,7 @@ public:
 //
 // during constant evaluation as part of P3372
 // on:
-// 1. Arm CI which is on clang 19.x (will be fixed in: https://github.com/llvm/llvm-project/issues/161159 )
-// 2. AppleClang is not yet using clang >= 20.x, which has "fixed" this issue
-// 3. A few others like FreeBSD/amd64, AArch64, AIX
+// 1. AppleClang is not yet using clang >= 20.x, which has "fixed" this issue
 // FIXME: when AppleClang is based off of clang >= 20.x
 // FIXME: when Clang-based CI is using clang >= 20.x
 #if (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 2000) ||                                                        \