solaris is a secondary platform for gcc-4.4

[Benjamin Kosnik]

Given that the set of posted solaris test results for trunk during the
last four months barely requires two hands:

2008-01
http://gcc.gnu.org/ml/gcc-testresults/2008-01/msg01474.html
http://gcc.gnu.org/ml/gcc-testresults/2008-01/msg01460.html
http://gcc.gnu.org/ml/gcc-testresults/2008-01/msg01460.html

2008-02
http://gcc.gnu.org/ml/gcc-testresults/2008-02/msg01519.html

2008-03
http://gcc.gnu.org/ml/gcc-testresults/2008-03/msg01093.html
http://gcc.gnu.org/ml/gcc-testresults/2008-03/msg00363.html

2008-04
(none)

I propose moving

sparc-sun-solaris2.10

from primary to secondary on this page:

http://gcc.gnu.org/gcc-4.4/criteria.html

Thoughts?

-benjamin