csvlook: removed all but simplest example

pages/common/csvlook.md

@@ -6,11 +6,3 @@
 - View a CSV file:
 
 `csvlook {{data.csv}}`
-
-- View a CSV file with _less_ for easy scrolling:
-
-`csvlook {{data.csv}} | less`
-
-- View columns 2 and 3 of a CSV file:
-
-`csvcut -c {{2,3}} | csvlook`