[video_core] Revert 4490 and 4531 (#4584)

- [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).
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Reverting NCE Invalidation readbacks. Me and Maran had discussed the risk of this be costly without alternative before.
After 2 or 3 weeks, a new regression has shown up: Pavel's device gets slow as fuck in DKCR.

I've prolly tackled that one too, but i don't like the solution anymore.
I had to infiltrate so much stuff that the weight of be working on the symptom instead of the root cause has grown way too much.

I'm reverting so we can get a clean base, then i will research deeper so we can maybe find a more surgical yet wider fix.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4584
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: Pavel Barabanov <pavelbarabanov94@gmail.com>

src/core/memory.cpp

@@ -757,7 +757,7 @@ struct Memory::Impl {
         };
         auto& gpu = system.GPU();
         gpu_device_memory->ApplyOpOnPointer(
-            p, scratch_buffers[core], [&](DAddr address) { gpu.InvalidateRegion(address, size, true); });
+            p, scratch_buffers[core], [&](DAddr address) { gpu.InvalidateRegion(address, size); });
     }
 
     Core::System& system;