CppunitTest_sw_ooxmlexport2: clean up test file
CppunitTest_sw_ooxmlexport2: clean up test file

This test file wants to test table positioning, but it also has
references to table styles. Remove these references to keep the testcase
minimal.

Change-Id: Ib7c7086bf767a8580dd7bae4452d0773e02d32a2

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