pgsql: Remove ipcclean utility command --- didn't work on all Unixes and - Mailing list pgsql-committers

Log Message:
-----------
Remove ipcclean utility command --- didn't work on all Unixes and on
Windows.  Users should use their operating system tools instead.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        reference.sgml (r1.65 -> r1.66)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/reference.sgml?r1=1.65&r2=1.66)
    pgsql/doc/src/sgml/ref:
        allfiles.sgml (r1.72 -> r1.73)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/allfiles.sgml?r1=1.72&r2=1.73)
    pgsql/src/backend/utils/init:
        miscinit.c (r1.166 -> r1.167)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/init/miscinit.c?r1=1.166&r2=1.167)
    pgsql/src/bin:
        Makefile (r1.52 -> r1.53)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/Makefile?r1=1.52&r2=1.53)

Removed Files:
-------------
    pgsql/doc/src/sgml/ref:
        ipcclean.sgml
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/ipcclean.sgml)
    pgsql/src/bin/ipcclean:
        Makefile
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/ipcclean/Makefile)
        ipcclean.sh
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/ipcclean/ipcclean.sh)