Remove sentence referring to non-existent functionality
<pt> -n <varname>locale</varname> | --locale=<varname>locale</varname>
</pt>
<pd>Sets the default locale used by Greenplum Database. If not specified, the
- <codeph>LC_ALL</codeph>, <codeph>LC_COLLATE</codeph>, or
- <codeph>LANG</codeph> environment variable of the coordinator host determines
- the locale. If these are not set, the default locale is <codeph>C</codeph>
+ default locale is <codeph>C</codeph>
(<codeph>POSIX</codeph>). A locale identifier consists of a language
identifier and a region identifier, and optionally a character set encoding.
For example, <codeph>sv_SE</codeph> is Swedish as spoken in Sweden,
