Remove unused file include/err_rpc.h

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
Remove some cruft from FSAL

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
Consolidate err_fsal.h bits and simplify msg_fsal_err

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>
TEMP

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>