11630 remove checks for 64-bit capable hardware

Review Request #2264 - Created Aug. 28, 2019 and submitted

Information
Peter Tribble
illumos-gate
11630
Reviewers
general
On SPARC, we still have checks for 64-bit capable hardware (doing clunky string-comparisons on dates to see if the boot prom has been flashed to an appropriate level).

This made sense at the time of the Solaris 7 launch, but people have had over 20 years to update their boot proms. Anyone with such a system (sunfire is being removed as part of IPD5 anyway) should have already updated their firmware.

This only affects a few platforms (E250, E450, E3000-E6000) which straddled the transition.

We also still check for UltraSPARC-I processors, which haven't been supported for 15 years.

Also a webrev which shows the deleted files:
http://cr.illumos.org/~webrev/ptribble/11630/

SPARC build is clean.

Yuri Pankov
Andy Fiddaman
Peter Tribble
Review request changed

Status: Closed (submitted)

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