[*, docs] remove UTF8 and make docs ASCII only (#4166)

except for the AI policy doc which uses output for demonstrative purposes

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

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4166
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>

src/audio_core/sink/sink_stream.cpp

@@ -155,7 +155,7 @@ void SinkStream::ProcessAudioIn(std::span<const s16> input_buffer, std::size_t n
         std::memcpy(&last_frame[0], &input_buffer[(frames_written - 1) * frame_size], frame_size_bytes);
     }
 
-    // update sample counts für audio-ins
+    // update sample counts fuer audio-ins
     {
         std::scoped_lock lk{sample_count_lock};
         last_sample_count_update_time = system.CoreTiming().GetGlobalTimeNs();

src/common/settings.h

@@ -791,8 +791,8 @@ struct Values {
                                                 "program_args",
                                                 Category::System,
                                                 Specialization::Default,
-                                                true,    // save_ — persist in config file
-                                                false};  // runtime_modifiable_ — startup-only
+                                                true,    // save_ - persist in config file
+                                                false};  // runtime_modifiable_ - startup-only
     Setting<bool> dump_exefs{linkage, false, "dump_exefs", Category::Debugging};
     Setting<bool> dump_nso{linkage, false, "dump_nso", Category::Debugging};
     Setting<bool> dump_guest_shaders{

src/core/hle/kernel/physical_core.cpp

@@ -106,7 +106,7 @@ void PhysicalCore::RunThread(KernelCore& kernel, Kernel::KThread* thread) {
         }
 
         // Determine why we stopped.
-        // If a step completed successfully, skip other halt reason handlers —
+        // If a step completed successfully, skip other halt reason handlers
         // the step takes priority (e.g. step may also set InstructionBreakpoint
         // if the next instruction happens to be a breakpoint).
         const bool step_completed = True(hr & Core::HaltReason::StepThread)

src/video_core/vulkan_common/vulkan_device.cpp

@@ -1518,7 +1518,7 @@ std::vector<VkDeviceQueueCreateInfo> Device::GetDeviceQueueCreateInfos() const {
 }
 
 void Device::InitializeGPULogging() {
-    // Get log level from settings — Off is the disable.
+    // Get log level from settings - Off is the disable.
     const auto log_level = static_cast<GPU::Logging::LogLevel>(
         static_cast<u32>(Settings::values.gpu_log_level.GetValue()));
     if (log_level == GPU::Logging::LogLevel::Off) {