Merge pull request #438 from howard0su/patch-1

Remove unused static function swap

Author: adam-sawicki-a

include/vk_mem_alloc.h

@@ -3840,12 +3840,6 @@ struct VmaBufferImageUsage
 
 const VmaBufferImageUsage VmaBufferImageUsage::UNKNOWN = VmaBufferImageUsage(0);
 
-static void swap(VmaBufferImageUsage& lhs, VmaBufferImageUsage& rhs) noexcept
-{
-    using std::swap;
-    swap(lhs.Value, rhs.Value);
-}
-
 VmaBufferImageUsage::VmaBufferImageUsage(const VkBufferCreateInfo &createInfo,
     bool useKhrMaintenance5)
 {