VCL: Remove unnecessary headers from outdev/clipping.cxx
VCL: Remove unnecessary headers from outdev/clipping.cxx

Change-Id: Idee24d0d5ec25082ed1be48bee6051f132e00a97

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