Revert "allow WMF's with missing EOF record"
Revert "allow WMF's with missing EOF record"

This reverts commit 199f0edc93e25ff8144f16599184049573154232.

the problematic emf+ file with embedded wmf suffered from different problem
so I reverted this fix as it is not needed

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core