[video_core, settings] readback for nce invalidations (#4490) optimization and nuke toggles (#4502) (#4531)

- [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.

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Follow up for #4490: Originally i was racing locks between dirty and clean invalidations, but +94% were clean so it was causing useless locks. Solutioin was to share locks between both.

P.S.: THIS IS INTENDED TO FIX RANDOM CRASHES IN UE, OBJECTIVELY REPRODUCIBLE IN ENDER MAGNOLIA IN ANDROID.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4531
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Shinmegumi <shinmegumi@eden-emu.dev>

src/qt_common/config/shared_translation.cpp

@@ -194,10 +194,6 @@ std::unique_ptr<TranslationMap> InitializeTranslations(QObject* parent) {
     INSERT(Settings, skip_cpu_inner_invalidation, tr("Skip CPU Inner Invalidation"),
            tr("Skips certain cache invalidations during memory updates, reducing CPU usage and "
               "improving latency. This may cause soft-crashes."));
-    INSERT(Settings, nce_invalidation_gpu_readback,
-           tr("GPU Readback Before NCE Invalidation"),
-           tr("Flushes GPU buffer data back to guest memory before NCE invalidates the whole "
-              "guest page, preserving it while the CPU store proceeds."));
     INSERT(Settings, vsync_mode, tr("VSync Mode:"),
            tr("FIFO (VSync) does not drop frames or exhibit tearing but is limited by the screen "
               "refresh rate.\nFIFO Relaxed allows tearing as it recovers from a slow down.\n"