Remove hipSimpleIpcMem.cpp as the IPC APIs are expected to work
with different processes and not the same process. Also, modify
the hipMultiProcIpcMem.cpp to test the offset scenarios
Change-Id: Ia161fc9ab39e27f22d8ef7268e0d7669ece5cdce
Change-Id: Ic3cb79ef4aca40b4a504483eb81fd83bb8a201d9