pgsql: Rename enable_incrementalsort for clarity

Rename enable_incrementalsort for clarity

Author: James Coleman <jtc331(at)gmail(dot)com>
Discussion: https://www.postgresql.org/message-id/flat/df652910-e985-9547-152c-9d4357dc3979%402ndquadrant.com

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/94e454cddfbae5e32ae7bb70fedd24f243cd486a

Modified Files
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doc/src/sgml/config.sgml | 6 +++---
doc/src/sgml/release-13.sgml | 4 ++--
src/backend/optimizer/path/allpaths.c | 2 +-
src/backend/optimizer/path/costsize.c | 2 +-
src/backend/optimizer/plan/planner.c | 14 +++++++-------
src/backend/utils/misc/guc.c | 4 ++--
src/backend/utils/misc/postgresql.conf.sample | 2 +-
src/include/optimizer/cost.h | 2 +-
src/test/regress/expected/incremental_sort.out | 4 ++--
src/test/regress/expected/partition_aggregate.out | 2 +-
src/test/regress/expected/sysviews.out | 2 +-
src/test/regress/sql/incremental_sort.sql | 4 ++--
src/test/regress/sql/partition_aggregate.sql | 2 +-
13 files changed, 25 insertions(+), 25 deletions(-)