renderer: invalidate buffers on memory unmap

src/graphics/host_gpu/renderer/cache/bufferCache.h

@@ -35,7 +35,6 @@ public:
 
 	void                   InvalidateMemory(uint64_t vaddr, uint64_t size);
 	void                   ReadMemory(uint64_t vaddr, uint64_t size, bool is_write = false);
-	void                   UnmapMemory(uint64_t vaddr, uint64_t size);
 	[[nodiscard]] Buffer&  GetBuffer(BufferId id) { return m_slot_buffers[id]; }
 	[[nodiscard]] BufferId FindBuffer(uint64_t vaddr, uint64_t size);
 	[[nodiscard]] std::pair<Buffer*, uint64_t> ObtainBuffer(uint64_t vaddr, uint64_t size,