pgsql: Doc: remove misleading claim in documentation of PQreset().

Doc: remove misleading claim in documentation of PQreset().

This text claimed that the reconnection would occur "to the same
server", but there is no such guarantee in the code, nor would
insisting on that be an improvement.

Back-patch to v10 where multi-host connection strings were added.

Discussion: https://postgr.es/m/1095901.1611268376@sss.pgh.pa.us

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/a5f7b837f3478ffb0362156452b2ff07c86a47e3

Modified Files
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doc/src/sgml/libpq.sgml | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)