docs: update intro

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/stats/meanors/README.md

@@ -39,8 +39,6 @@ The [arithmetic mean][arithmetic-mean] is defined as
 
 <!-- </equation> -->
 
-This implementation uses ordinary recursive summation, which is a simple approach that accumulates results without specialized numerical techniques. It is useful for general-purpose mean calculations where the input values are well-behaved.
-
 </section>
 
 <!-- /.intro -->