[*] Remove Fix{Static,Small}VectorADL workaround for GCC 12 (#4386)

1. We demand at least, minimum, gcc 14
2. Debian stable boost uses a newer version https://packages.debian.org/trixie/libboost-all-dev, so fix isn't longer required

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4386
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>

src/video_core/texture_cache/util.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
@@ -122,25 +122,4 @@ void DeduceBlitImages(ImageInfo& dst_info, ImageInfo& src_info, const ImageBase*
 
 [[nodiscard]] u32 MapSizeBytes(const ImageBase& image);
 
-// TODO: Remove once Debian STABLE no longer has such outdated boost
-// This is a gcc bug where ADL lookup fails for range niebloids of std::span<T>
-// for any given type of the static_vector/small_vector, etc which makes a whole mess
-// for anything using std::span<T> so we just do this terrible hack on older versions of
-// GCC12 because people actually still use stable debian so... yeah
-// One may say: "This is bad for performance" - to which I say, using GCC 12 you already know
-// what kind of bs you will be dealing with anyways.
-template<typename T, size_t N>
-#if BOOST_VERSION >= 108100 || __GNUC__ > 12
-[[nodiscard]] boost::container::small_vector<T, N> FixSmallVectorADL(const boost::container::small_vector<T, N>& v) {
-    return v;
-}
-#else
-[[nodiscard]] std::vector<T> FixSmallVectorADL(const boost::container::small_vector<T, N>& v) {
-    std::vector<T> u;
-    for (auto const& e : v)
-        u.push_back(e);
-    return u;
-}
-#endif
-
 } // namespace VideoCommon