pgsql: Remove obsolete comment block in nbtsort.c.

Remove obsolete comment block in nbtsort.c.

Building a new nbtree index through incremental insertions would always
be slower than our actual approach of sorting using tuplesort,
assembling leaf pages from tuplesort output, and writing and WAL-logging
whole pages.  Remove a comment block from the Berkeley days claiming
that incremental insertions might be slightly faster with presorted
input.

Discussion: https://postgr.es/m/CAH2-WzmKs4mLAoFgJ3yHMRYc849efc=dw+pNRb3NEog2oJoCNw@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/cdc2693a11b341043f33e1efc36debe0348fb361

Modified Files
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src/backend/access/nbtree/nbtsort.c | 9 ---------
1 file changed, 9 deletions(-)