sal: remove unx implementation of osl_sendResourcePipe/osl_receiveResourcePipe
sal: remove unx implementation of osl_sendResourcePipe/osl_receiveResourcePipe

These are deprecated and not used in LO.

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