delete dupes in geospatial reference list

Signed-off-by: Sam Kleinman <[email protected]>

Author: Bob Grabar

source/reference/operators.txt

@@ -101,27 +101,22 @@ JavaScript
 Geospatial
 ~~~~~~~~~~
 
-- :operator:`$box`
 - :operator:`$near`
 - :operator:`$within`
-- :operator:`$near`
 - :operator:`$nearSphere`
-- :operator:`$within`
 
 Use the following operators within the context of
-:operator:`$within`:
+:operator:`$near`:
 
-- :operator:`$centerSphere`
-- :operator:`$center`
-- :operator:`$maxDistance`
-- :operator:`$nearSphere`
-- :operator:`$polygon`
-- :operator:`$uniqueDocs`
 - :operator:`$maxDistance`
+
+Use the following operators within the context of
+:operator:`$within`:
+
 - :operator:`$center`
-- :operator:`$centerSphere`
 - :operator:`$box`
 - :operator:`$polygon`
+- :operator:`$centerSphere`
 - :operator:`$uniqueDocs`
 
 .. index:: query selectors; array