sparc, sparc64: remove obsolete code
sparc, sparc64: remove obsolete code

Remove remains of solaris personality support.
This complements commit v4.10-45-gdf4dd8b.

* file.c [SPARC || SPARC64]: Remove the code related to struct solstat.
(printstat, printoldstat) [SPARC || SPARC64]: Remove.

Saruta/strace,Saruta/strace,cuviper/strace,cuviper/strace,Saruta/strace,Saruta/strace,cuviper/strace,cuviper/strace,cuviper/strace,Saruta/strace