delete the formatter again

Signed-off-by: crueter <crueter@eden-emu.dev>

src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64.cpp

@@ -145,7 +145,7 @@ A32EmitX64::BlockDescriptor A32EmitX64::Emit(IR::Block& block) {
 #undef OPCODE
 #undef A32OPC
 #undef A64OPC
-            default: [[unlikely]] ASSERT_FALSE("Invalid opcode: {}", inst->GetOpcode());
+            default: [[unlikely]] ASSERT_FALSE("Invalid opcode: {}", std::size_t(inst->GetOpcode()));
             }
             reg_alloc.EndOfAllocScope();
             func(reg_alloc);

src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.cpp

@@ -130,7 +130,7 @@ A64EmitX64::BlockDescriptor A64EmitX64::Emit(IR::Block& block) noexcept {
 #undef A32OPC
 #undef A64OPC
         default: [[unlikely]] {
-            ASSERT_MSG(false, "Invalid opcode: {}", opcode);
+                ASSERT_MSG(false, "Invalid opcode: {}", std::size_t(opcode));
             goto finish_this_inst;
         }
         }

src/dynarmic/src/dynarmic/backend/x64/emit_x64.cpp

@@ -59,7 +59,7 @@ std::optional<EmitX64::BlockDescriptor> EmitX64::GetBasicBlock(IR::LocationDescr
 }
 
 void EmitX64::EmitInvalid(EmitContext&, IR::Inst* inst) {
-    ASSERT_MSG(false, "Invalid opcode: {}", inst->GetOpcode());
+    ASSERT_MSG(false, "Invalid opcode: {:x}", std::size_t(inst->GetOpcode()));
 }
 
 void EmitX64::EmitVoid(EmitContext&, IR::Inst*) {

src/dynarmic/src/dynarmic/ir/opcodes.h

@@ -654,13 +654,3 @@ constexpr bool MayGetNZCVFromOp(const Opcode op) noexcept {
 }
 
 }  // namespace Dynarmic::IR
-
-template<>
-struct fmt::formatter<Dynarmic::IR::Opcode> : fmt::formatter<std::string_view>
-{
-    template<typename FormatContext>
-    auto format(Dynarmic::IR::Opcode op, FormatContext& ctx) const
-    {
-        return formatter<std::string_view>::format(Dynarmic::IR::GetNameOf(op), ctx);
-    }
-};