[runtimes][NFC] Remove old Lit annotations for gcc-12 and clang-14

We don't support these compilers anymore so these Lit annotations were
never used.

libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp

@@ -14,8 +14,8 @@
 // TODO: Investigate these failures which break the CI.
 // UNSUPPORTED: clang-15, clang-16, clang-17, clang-18
 
-// TODO: Investigate this failure on GCC 12 (in Ubuntu Jammy)
-// UNSUPPORTED: gcc-12, gcc-13
+// TODO: Investigate this failure on GCC 13 (in Ubuntu Jammy)
+// UNSUPPORTED: gcc-13
 
 // RUN: %{cxx} %{flags} %s -o %t.exe %{compile_flags} -g %{link_flags}
 // Ensure locale-independence for unicode tests.

libcxx/test/std/algorithms/robust_against_adl.compile.pass.cpp

@@ -11,7 +11,7 @@
 // https://buildkite.com/llvm-project/libcxx-ci/builds/15823#0184fc0b-d56b-4774-9e1d-35fe24e09e37
 // It seems like the CI gcc version is buggy. I can't reproduce the failure on my system or on
 // godbolt (https://godbolt.org/z/rsPv8e8fn).
-// UNSUPPORTED: gcc-12, gcc-13
+// UNSUPPORTED: gcc-13
 
 #include <algorithm>
 #include <cstddef>

libcxx/test/std/thread/futures/futures.task/futures.task.members/ctad.static.compile.pass.cpp

@@ -8,7 +8,7 @@
 
 // UNSUPPORTED: no-threads
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
-// XFAIL: clang-14, clang-15, gcc-12, apple-clang-14
+// XFAIL: clang-15, apple-clang-14
 
 // checks that CTAD for std::packaged_task works properly with static operator() overloads
 

libcxx/test/std/utilities/expected/expected.expected/assign/assign.U.pass.cpp

@@ -8,7 +8,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
 // Older Clangs do not support the C++20 feature to constrain destructors
-// XFAIL: clang-14, apple-clang-14
+// XFAIL: apple-clang-14
 
 //  template<class U = T>
 //   constexpr expected& operator=(U&& v);

libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.char_array.pass.cpp

@@ -7,7 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // TODO FMT __builtin_memcpy isn't constexpr in GCC
-// UNSUPPORTED: gcc-12, gcc-13
+// UNSUPPORTED: gcc-13
 
 // <format>
 

libcxx/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/ctad.static.compile.pass.cpp

@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
-// XFAIL: clang-15, gcc-12, apple-clang-14
+// XFAIL: clang-15, apple-clang-14
 
 // checks that CTAD for std::function works properly with static operator() overloads
 

libcxx/test/std/utilities/utility/pairs/pairs.pair/assign.pair_like_rv_const.pass.cpp

@@ -8,9 +8,6 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// GCC 12 chokes on using a mutable variable inside a constexpr context
-// XFAIL: gcc-12
-
 // <utility>
 
 // template <class T1, class T2> struct pair

libcxxabi/test/catch_member_function_pointer_02.pass.cpp

@@ -15,7 +15,7 @@
 
 // GCC supports noexcept function types but this test still fails.
 // This is likely a bug in their implementation. Investigation needed.
-// XFAIL: gcc-11, gcc-12, gcc-13
+// XFAIL: gcc-13
 
 #include <cassert>