Fix more review comments.

GPU/Vulkan/TextureCacheVulkan.cpp

@@ -613,7 +613,6 @@ void TextureCacheVulkan::BuildTexture(TexCacheEntry *const entry, bool replaceIm
 		}
 	} else {
 		entry->vkTex->texture_->TransitionForUpload();
-		// TODO: If reusing an existing texture object, we must transition it into the correct layout.
 	}
 	lastBoundTexture = entry->vkTex;