Revert "[hle] constexpr handler dispatch maps, introduce version gating (#4480)" (#4532)

This reverts commit 218c6705d9.

- [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/4532
Reviewed-by: lizzie <lizzie@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Maufeat <sahyno1996@gmail.com>

src/core/hle/service/tma/tma.cpp

@@ -19,14 +19,12 @@ class HTC_TENV final : public ServiceFramework<HTC_TENV> {
 public:
     explicit HTC_TENV(Core::System& system_)
         : ServiceFramework{system_, "htc:tenv"}
-    {}
-
-    std::optional<FunctionInfoBase> FindRequest(u32 key) override {
-        return HandlerTableGenerateWithFind(key, functions);
+    {
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "GetServiceInterface"},
+        };
+        RegisterHandlers(functions);
     }
-    static constexpr auto functions = CreateStaticMap(
-        FunctionInfo{0, nullptr, "GetServiceInterface"}
-    );
 };
 
 void LoopProcess(Core::System& system) {