HHH-9010: Revert "HHH-8961 corrected test failure"

This reverts commit 0c0519ebb3b0f1fc127ea51395f0532ee58d2896.
HHH-9010: Revert "HHH-8961 Reduce allocation cost of org.hibernate.cache.spi.CacheKey"

This reverts commit a7910b19a4dbb1ca996e5cb5d3e665aeacdcb466.