pgsql: Remove references to PostgreSQL bundled on Solaris

Remove references to PostgreSQL bundled on Solaris

Also remove special references to downloads off pgfoundry since they are
not correct - downloads are done through the main website.

Branch
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REL9_1_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/94c35d5a966ed1112122912ac033e254f5a8d2ae

Modified Files
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doc/src/sgml/installation.sgml | 9 ---------
1 files changed, 0 insertions(+), 9 deletions(-)