Update src/video_core/renderer_vulkan/vk_buffer_cache.cpp

Create 3 ring buffers which rotates between buffers each frame to avoid GPU/CPU conflicts
BindMappedUniformBuffer first tries to allocate from the ring buffer and falls back to staging pool only if allocation is too large.
Note to testers:- please test the performance since it is primarily a performance optimization and also look for visual bugs.

src/core/hle/service/acc/profile_manager.cpp

@@ -509,9 +509,6 @@ std::vector<std::string> ProfileManager::FindOrphanedProfiles()
         good_uuids.emplace_back(uuid_string);
     }
 
-    // used for acnh, etc
-    good_uuids.emplace_back("00000000000000000000000000000000");
-
     // TODO: fetch save_id programmatically
     const auto path = Common::FS::GetEdenPath(Common::FS::EdenPath::NANDDir)
                       / "user/save/0000000000000000";