pgsql: Revert "Temporarily make pg_ctl and server shutdown a whole lot

Revert "Temporarily make pg_ctl and server shutdown a whole lot chattier."

This reverts commit 3971f64843b02e4a55d854156bd53e46a0588e45 and a
couple of followon debugging commits; I think we've learned what we can
from them.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/c5e9b771275b93b09eec6b760677fe6c5e726ab2

Modified Files
--------------
src/backend/access/transam/xlog.c   | 59 ++-----------------------------------
src/backend/postmaster/autovacuum.c |  3 +-
src/backend/postmaster/postmaster.c | 15 ++--------
src/backend/storage/buffer/bufmgr.c | 13 --------
src/backend/storage/ipc/ipc.c       | 25 ----------------
src/backend/storage/smgr/md.c       |  5 ----
src/backend/utils/init/miscinit.c   | 28 ------------------
src/bin/pg_ctl/pg_ctl.c             | 36 ++--------------------
src/include/miscadmin.h             |  1 -
9 files changed, 8 insertions(+), 177 deletions(-)